Does Fiber Reduce Breast Cancer Risk?

Start Young And Finish Strong

Vegan FoodsThe idea that dietary fiber reduces the risk of breast cancer has been around for a long time. But it is controversial. It has been difficult to prove.

Part of the difficulty arises from what scientists call confounding variables. What do I mean by confounding variables? Let me explain.

A high fiber diet is usually a primarily plant-based diet. Plant foods contain much more than just fiber. They are full of antioxidants and phytonutrients. A primarily plant-based diet is, by definition, low in refined grains. It is usually low in sugar and saturated fat as well.

People who eat primarily plant-based diets are often health conscious. They tend to exercise more, weigh less, and smoke less than the general public.

Each of these things are confounding variables. They could reduce the risk of breast cancer on their own. That confounds (makes it more difficult to interpret) the data. Was the reduction in breast cancer risk due to the high fiber diet or to these factors that go along with a high fiber diet?

It is possible to correct for these confounding variables statistically, but that requires a very large study (a large population group) for the correction to be accurate. Large studies are expensive. Thus, you tend to end up with lots of small studies. And once they have been corrected for confounding variables, small studies give conflicting results. Some show a benefit of fiber. Some do not.

That is why this study (MS Farvid et al, Cancer, DOI: 10.1002/cncr.32816) is important. It is a meta-analysis of 20 clinical studies with almost 2 million women.

How Was The Study Done?

Clinical StudyThe meta-analysis combined data from 20 clinical studies with 1,994,910 women. Fiber intake was calculated from a food frequency questionnaire administered at the beginning of the study for all except one study that used 24-hour dietary records administered at the beginning of the study.

  • Study duration ranged from 2 to 20 years. Nine of the studies (1.37 million women) lasted for 10 years or more.
  • Four studies reported results for premenopausal breast cancer, fifteen studies reported results for postmenopausal breast cancer, and one study reported results for both.

Does Fiber Reduce Breast Cancer Risk?

breast cancerAfter correcting for confounding variables, the results of the study were as follows:

  • When comparing the highest intake with the lowest intake, total fiber consumption was associated with an 8% lower risk of breast cancer.
  • The effect was stronger for premenopausal breast cancer (18%) than for postmenopausal breast cancer (9%).
  • The effect was greater with soluble fiber (10% decreased risk) than for insoluble fiber (7% decreased risk).
    • Note: All plant foods contain a mixture of soluble fiber and insoluble fiber. However, the common foods richest in soluble fiber are fruits, oatmeal, nuts, beans, peas, and lentils.

The authors concluded, “A random-effects meta-analysis of prospective observational studies demonstrated that high total fiber consumption was associated with a reduced risk of breast cancer. This finding was consistent for soluble fiber as well as for women with premenopausal and postmenopausal cancer.”

Start Young And Finish Strong

Mother & Daughter Eating ApplesAn 8% risk reduction doesn’t seem like very much, but the 18% risk reduction in premenopausal breast cancer caught my eye. With a little digging I found a study (MS Farvid et al, Pediatrics 137, March 2016: e20151226) that focused on the effect of fiber intake in young women on their subsequent risk developing both premenopausal and postmenopausal breast cancer. This was, in fact, one of the studies included in the meta-analysis I described above.

This study followed 90,534 women (mean age 36 years) for 20 years. The women competed a food frequency questionnaire at enrollment and every four years thereafter. They also completed a questionnaire about their diet during their teenage years.

When comparing the highest versus the lowest fiber intake:

  • High fiber intake reduced total breast cancer risk by 19%.
    • Postmenopausal breast cancer risk was reduced by 13%.
    • Premenopausal breast cancer risk was reduced by 23%.

Interestingly, only 34% of women who consumed high fiber diets during their teenage years continued to consume high fiber diets as young adults. However, high fiber diets in the teenage years were important. When they looked at teenage diets:

  • High fiber intake reduced total breast cancer risk by 16%.
    • Postmenopausal breast cancer risk was reduced by 15%.
    • Premenopausal breast cancer risk was reduced by 25%.

Other important observations from this study were:

  • There was a 13% decrease in breast cancer risk for every 10 gram increase in fiber intake.
    • 10 grams of fiber is equivalent to one apple plus two slices of 100% whole wheat toast or half a cup of cooked kidney beans plus half a cup of cooked cauliflower or squash.
  • Both soluble fiber (14% decreased risk) and insoluble fiber (20% decreased risk) were effective.
    • In terms of foods, the most significant effects were seen with fruits and vegetables.

The authors concluded, “Our findings support the hypothesis that higher fiber intakes reduce breast cancer risk and suggest that intake during adolescence and early adulthood may be particularly important.”

What Does This Mean For You?

Questioning WomanAs I said before, an 8% decrease in breast cancer risk may not sound like much. You might be tempted to say, “Why bother? Why should I give up my favorite processed and convenience foods and switch to a more whole food, plant-based diet?”

Here are some thoughts to consider:

1) As I mentioned above, there are side benefits to a plant-based diet.

    • Plant based diets have a lower caloric density, so you are less likely to be overweight.
    • Your intake of antioxidants and phytonutrients is increased.
    • Plant foods feed beneficial gut bacteria.
    • Your diet is likely to be lower in sugar, highly processed foods, and saturated fat.

All these factors decrease your risk of developing breast cancer, but they were statistically factored out in calculating the 8% reduction in risk. In other words, the 8% reduction in risk was based on fiber intake only. When you consider all the beneficial effects that accompany a high fiber diet, your actual reduction in risk is likely to be substantially more than 8%.

2) When you consume a high fiber diet, your risk of developing premenopausal breast cancer is decreased by 18%. That is twice the risk reduction seen for postmenopausal breast cancer. This is consistent with several other studies showing the premenopausal breast cancer is more influenced by diet than postmenopausal breast cancer. There are a couple of likely explanations for this.

    • By the time they reach menopause women are more likely to be overweight and some of those fat calls accumulate in breast tissue. Those fat cells continue to produce estrogen after menopause. Even worse, that estrogen is produced right next to the breast cells, where it can do the maximum damage.
    • Mutations accumulate in breast tissue as we age, and some of those mutations increase the risk of breast cancer.

3) When you start consuming a healthy, high fiber diet early in life your risk reduction is much greater (a 13-15% decreased risk of developing postmenopausal breast cancer and a 23-25% decreased risk of developing premenopausal breast cancer). Now, we are talking about numbers that should get your attention!

Plus, these numbers are based on fiber intake only. Once again, when you consider all the other benefits of a high fiber diet, your real risk reduction is likely to be much greater.

In closing I should mention that none of the studies were done with fiber supplements. A fiber supplement may help you be more regular, but there is no evidence that a fiber supplement will reduce your risk of breast cancer.

The Bottom Line

Two recent studies have looked at the effect of fiber intake on the risk of developing breast cancer.

The first study showed that:

  • High fiber diets decreased the overall risk of breast cancer by 8% and the risk of premenopausal breast cancer by 18%.
  • As I describe in the article above, these reductions in risk were based on fiber intake only. If you consider all the side benefits of a high fiber diet, the actual risk reduction is likely to be much greater.

The second study looked at fiber intake during adolescence and early adulthood. It found that when high fiber diets were started early in life:

  • High fiber diets decreased the overall risk of breast cancer by 13-15% and the risk of premenopausal breast cancer by 23-25%.
  • Once again, if you consider all the side benefits of a high fiber diet, the actual risk reduction is likely to be much greater.

The authors of both studies concluded that high fiber diets reduce the risk of developing breast cancer. The risk reduction is greater for premenopausal breast cancer than for postmenopausal breast cancer. Finally, the risk reduction is greatest when high fiber diets are started early in life.

For more details read the article above.

These statements have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure or prevent any disease.

Diet And Cancer Risk

What Can You Do To Reduce Your Risk Of Cancer?

Magic WandIt seems like everyone has a magic pill, essential oil, food, or diet that prevents cancer. It doesn’t take a genius to figure out that all the claims can’t be true. No wonder you are confused. You want to know:

  • Which of these claims are true?
  • What can you do to reduce your risk of cancer?

These aren’t trivial questions.

  • Cancer is the second leading cause of death in this country, and some experts predict it will surpass heart disease as the leading cause of death in the near future.
  • While cancer treatments have become much more effective in the past few decades, these treatment successes are often associated with severe side-effects, enormous expense, or both.

That is why I was intrigued by a recent study (FF Zhang et al, JNCI Cancer Spectrum (2019) 3(2): pkz034) on diet and cancer that came from the prestigious Friedman School of Nutrition and Public Policy at Tufts University. This study asked two important questions:

  • How many newly diagnosed cancer cases could have been prevented by changes in the American diet? This is something the authors referred to as the “preventable cancer burden associated with poor diet”.
  • Which foods increased or decreased the risk of cancer? This, of course, is the most useful information for you and me.

Diet And Cancer Risk

Diet And CancerThis study estimated that 80,110 new cancer cases among US adults 20 and older could be primarily attributed to poor diet. While poor diet contributes to many more cancers, the authors of this study felt 80,110 represented the number of cancer cases that were clearly preventable by some simple dietary changes.

While all cancers were affected by diet to some degree, the cancers most affected by poor diet were:

  • Colon cancer (65% of cases)
  • Mouth and throat cancer (18% of cases)
  • Endometrial cancer (4.0% of cases)
  • Breast cancer (3.8% of cases)

When the diet was broken down into individual food groups:

  • Low intake of whole grains was associated with the largest number of preventable cancer cases (35% of cases). This was followed by.
  • Low intake of dairy foods (22% of cases).
  • High intake of processed meats (18% of cases).
  • Low intake of vegetables (16% of cases).
  • Low intake of fruits (10% of cases).
  • High intake of red meat (7.1% of cases).
  • High intake of sugar sweetened beverages (4.0% of cases).

Of the diet-associated cancer cases, the scientists who lead the study estimated that 84% of them represented a direct effect of diet on cancer risk. The dietary factors most likely to directly increase the risk of cancer were:

  • Low intake of whole grains.
  • Low intake of dairy foods.
  • High intake of processed meats.

The scientists estimated that 16% of diet-associated cancer cases were “mediated by obesity”. In layman’s terms, this means that diet increased the risk of obesity and obesity increased the risk of cancer. The dietary factors most likely to increase the risk of obesity-mediated cancers were:

  • High intake of sugar sweetened beverages.
  • Low intake of fruits.

The authors concluded: “More than 80,000 new cancer cases [per year] are estimated to be associated with suboptimal diet among US adults…Our findings underscore the need for reducing cancer burden in the United States by improving the intake of key food groups and nutrients of Americans.”

What Does This Mean For You?

Questioning ManThese findings aren’t novel. Many previous studies have come to the same conclusions. However, many people find these recommendations to be confusing. Should they increase their intake of certain foods? Should they follow some sort of magic diet?

Perhaps we need to get away from the magic food concept. We need to understand that every time we increase one food in our diet, we exclude other foods. We need to step back and look at the overall diet.

Let me break down the recommendations from this study into three categories: foods we should eliminate from our diet, foods we should include in our diet, and foods we should balance in our diet.

Foods we should eliminate from our diet:

  • Sugar Sweetened Beverages. They provide no nutritional benefit, and the sugar in most beverages rushes into our bloodstream and overwhelms our body’s ability to utilize it in a healthy way. This leads to obesity, diabetes, and a host of other health issues.
    • Public enemy number one is sodas. However, this category also includes fruit juices, sweetened teas and energy drinks, and sugary processed foods.
    • This category also includes diet sodas. For reasons we don’t completely understand, diet sodas appear to be just as likely to lead to obesity, diabetes, and heart disease as sugar sweetened sodas. I have discussed the proposed explanations of this phenomenon in a recent issue of “Health Tips From the Professor”.
    • Sugar, however, is not the enemy. Sugar found naturally in fruits and other whole foods enters the bloodstream slowly and is metabolized in healthy ways by the body. I have discussed this in another issue  of “Health Tips From the Professor”. This is what I mean by restoring balance in our diet. Decreasing the sugar intake from sugar sweetened beverages and increasing sugar intake from fruits is associated with a decreased risk of obesity and obesity-related cancers.
  • Processed Meats. The evidence is overwhelming at this point that processed meats directly increase the risk of cancer.
    • If you have trouble completely eliminating processed meats from your diet, my advice is to minimize them and consume them only in the context of an overall healthy diet. Personally, I still consume bacon occasionally as flavoring for a healthy green salad.

Whole GrainsFoods we should include in our diet. I put these in a separate category because Dr. Strangelove and his colleagues have been telling us to eliminate them from our diet, and many Americans are following those recommendations:

  • Whole grains. We can think of whole grains as the underserving victim of the low-carb craze. The low-carb craze is on the mark when it comes to eliminating added sugars and refined grains from the diet. However, eliminating whole grains from the diet may be doing more harm than good. In fact, this and other studies suggest that whole grains are the most effective foods for reducing cancer risk. Why is that?
    • If we assume whole grains are just a good source of fiber and a few vitamins and minerals, it is hard to grasp their importance. We could easily get those nutrients elsewhere.
    • However, we are beginning to realize that whole grains play a unique role in supporting certain species of gut bacteria that are very beneficial to our health. In short, whole grains may be essential for a healthy gut.
  • Dairy Foods. This is another food that has been treated as a villain by Dr. Strangelove and his many colleagues. However, for reasons we don’t completely understand, dairy foods appear to decrease the risk of heart disease and cancer.

Foods we should balance in our diet.

  • Red Meat. Diets high in red meat are consistently associated with a slight increase in cancer risk. The World Health Organization lists red meat as a probable carcinogen, but that has proven to be controversial.
    • Much of the research has centered on why red meat causes cancer. Several mechanisms have been proposed, but none of them have been proven.
    • In contrast, very little consideration has been given to what red meat is displacing from the diet. Diets high in red meat are often low in whole grains, fruits and/or vegetables.
    • Perhaps instead of eliminating red meat from our diets we should be talking about balancing red meat in our diets by consuming less red meat and more whole grains, fruits, and vegetables.

What Can You Do To Reduce Cancer Risk?

American Cancer SocietyYou may have been thinking that 80,110 cases/year represents a small percentage of new cancer cases. That’s because diet is only one component of a holistic cancer prevention strategy. Here is what the American Cancer Society recommends for reducing cancer risk:

  • Avoid tobacco.
  • Limit sun exposure.
  • Achieve and maintain a healthy weight.
  • Eat a healthy diet, with an emphasis on plant foods (Their recommendations are in line with this study).
  • Be physically active.
  • Limit alcohol use.
  • Get vaccinated against HPV.
  • Get regular medical checkups.

Doing any of these things will reduce your cancer risk. But the more of these you can incorporate into your lifestyle, the lower your risk.

The Bottom Line

A recent study looked at diet and cancer risk. The authors reported that 80,110 new cancer cases among US adults 20 and older could be primarily attributed to poor diet.

When the diet was broken down into individual food groups:

  • Low intake of whole grains was associated with the largest number of preventable cancer cases. This was followed in descending order by.
  • Low intake of dairy foods.
  • High intake of processed meats.
  • Low intake of vegetables.
  • Low intake of fruits.
  • High intake of red meat.
  • High intake of sugar sweetened beverages.

The authors concluded: “More than 80,000 new cancer cases [per year] are estimated to be associated with suboptimal diet among US adults…Our findings underscore the need for reducing cancer burden in the United States by improving the intake of key food groups and nutrients of Americans.”

For more details, read the article above. For example, I discuss which foods we should eliminate, which foods we should eat more of, and which foods we should balance in our diet. To add a more holistic perspective, I also discuss the American Cancer Society’s recommendations for reducing cancer risk.

These statements have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure or prevent any disease.

Multivitamin Supplements May Reduce Breast Cancer Mortality

Can A Multivitamin A Day Keep Breast Cancer At Bay?

 Author: Dr. Stephen Chaney

3d rendered illustration - breast cancerA few weeks ago I wrote about soy and breast cancer survival. You’ve probably seen the latest headlines: “Multivitamin Supplements May Reduce Breast Cancer Mortality” and are wondering if they could possibly be true. After all, wasn’t it just a short time ago that the headlines said “Multivitamin supplements have no effect on breast cancer mortality” or that “Multivitamins may increase your risk of death”?

With all the conflicting headlines, you have every right to be skeptical about the latest news. So perhaps we should start with looking at the previous studies and discussing why they disagree.

What do we know about multivitamin use and breast cancer survival?

 Three very large studies have reported no correlation between multivitamin use and breast cancer incidence. So it is pretty clear that multivitamins don’t prevent breast cancer.

However, breast cancer incidence and breast cancer survival are two different things. In the first case you are starting with healthy women and asking how many of them develop cancer. That is what we scientists call a primary prevention study. It is very difficult to prove the effectiveness of any intervention in a primary prevention study. In the second case you are starting with a sick population and asking if an intervention provides a benefit. It is much easier to prove whether or not an intervention is effective in this kind of study.

There, have been several small studies looking at the effect of vitamin supplementation in women who already had breast cancer. While the results have been mixed, the majority of the studies showed that vitamin supplementation did appear to reduce breast cancer recurrence and mortality.

What makes this study different?

The women in this study were part of 161,608 women enrolled the Women’s Health Initiative (WHI) study to investigate the effects of multivitamin use in post-menopausal women. In fact, this was one of the studies to report no effect of multivitamin use on the incidence of breast cancer (Neuhouser et al, Arch. Intern. Med., 169: 294-304, 2009).

What the present study did was to look at the those women in the WHI who did develop breast cancer during the previous study and followed them for an additional 7.9 years to see if multivitamin use affected breast cancer survival (Wasserthiel-Smoller et al, Breast Cancer Res. Treat., 141: 495-505, 3013).

This is the largest study of its kind (7,728 women). It started with an older and sicker group of women than previous studies.  All of the women were 50-79 years old at the time the study began, and all of them had invasive breast cancer at the time of enrollment into the study.

The results were quite impressive. Multivitamin use improved survival by 30%, and the results were highly significant.

Strengths of the Study:

  • This was a large and very well controlled study. The authors did an excellent job of controlling for confounding variables that might have affected the outcome.
  • Multivitamin use was measured at multiple time points. It was assessed at enrollment into the original WHI study and at each subsequent doctor visit. The multivitamin usage for the purpose of data analysis was the usage at the time of breast cancer diagnosis, but the authors also corrected for any change in vitamin use post-diagnosis.
  • The study was in agreement with the majority of previous studies, further strengthening the conclusion that multivitamin use in women with breast cancer improves the likelihood of survival.

Weaknesses of the Study:

  • Because previous studies have been mixed with respect to the effect of multivitamins on breast cancer survival, further placebo controlled intervention studies will be required before multivitamin use becomes part of the standard of treatment for breast cancer patients.
  • Most of the women in the study were post-menopausal. It is unclear if multivitamins will provide the same benefit to pre-menopausal women with breast cancer.
  • This study measured consistent multivitamin use before and after the diagnosis of breast cancer. It did not look at women who began multivitamin use after diagnosis. So we have no idea whether starting multivitamin use after diagnosis would have also been beneficial.

The Bottom Line:

1)    This study strongly suggests that multivitamin use may help improve your chances of survival if you are unlucky enough to develop breast cancer.  While more studies are still needed, this study certainly strengthens the argument for multivitamin use.

2)    The rap on multivitamins has always been that they aren’t needed by healthy people who have a good diet. However, multivitamins are important for assuring good nutritional status if your diet is not optimal or if you have increased nutritional needs – either because of your genetic makeup or because of illness.

3)    The difficulty is that you usually don’t know if your genetics increases your vitamin needs, and once your disease has progressed far enough to be diagnosed it may be too late to improve disease outcome.  That’s why many experts consider a multivitamin supplement as an inexpensive form of nutritional and health insurance. I concur.

4)    As for the fear that multivitamins might just kill you, that hypothesis has been disproven by several subsequent studies including one published just a couple of weeks ago (Macpherson et al, Am. J. Clin. Nutr., doi: 10.3945/ajcn.112.o49304).

These statements have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure or prevent any disease.

Soy And Breast Cancer Recurrence

The Truth About Soy And Breast Cancer

 Author: Dr. Stephen Chaney

SoybeanYou’ve probably heard the warnings: “Soy may increase the risk of breast cancer!” “Women with breast cancer shouldn’t use soy!”

The first warning was never true. Numerous clinical studies have shown that consumption of soy protein is associated with a lower risk of developing breast cancer.

Furthermore, the science behind the second warning has never been very strong. The concerns that soy might stimulate the growth of breast cancer cells was based primarily on cell culture experiments and one experiment in mice – even though a second experiment in mice came to the exact opposite conclusion.

Was The Hypothesis That Soy Could Increase The Risk Of Breast Cancer Recurrence Plausible?

The possibility that soy isoflavones could stimulate the growth of estrogen- responsive breast cancer was biochemically plausible because soy isoflavones bind to the estrogen receptor and have a very weak stimulatory effect (much weaker than estrogen itself).

Even that evidence was not definitive because soy isoflavones also turn on several tumor suppressor pathways in breast cells and help strengthen the immune system – so they could just as easily inhibit the growth of breast cancer cells.

However, because the concerns were plausible and had not been definitively disproved, most experts, including me, recommended for several years that women with estrogen- responsive breast cancer might want to avoid soy protein.

Has The Hypothesis Been Rigorously Tested?

In fact, the definitive clinical studies have been performed, and it turns out for women who are breast cancer survivors, consumption of soy foods does not increase either the risk of breast cancer recurrence or of dying from breast cancer.

The first of these studies was reported in the December 2009 issue of the Journal of the American Medical Association by researchers at Vanderbilt University and Shanghai Institute of Preventive Medicine (Shu et al, JAMA, 302: 2437-2443, 2009).

It was a large, well designed, study that enrolled 5042 Chinese women aged 20 to 75 years old who had been diagnosed with breast cancer and followed them for an average period of 3.9 years.

The women were divided into four groups based on the soy content of their diet (ranging from 5 grams/day to 15 grams/day). The results were clear cut. Breast cancer survivors with the highest soy intake had 25% less chance of breast cancer recurrence and 25% less chance of dying from breast cancer than the women with the lowest soy intake.

The effect was equally strong for women with estrogen receptor-positive and estrogen receptor negative cancers, for early stage and late stage breast cancer and for pre- and post-menopausal women. In short this was a very robust study.

The study also showed that soy protein intake did not interfere with tamoxifen, a drug that blocks the binding of estrogen to its receptor on cancer cells. Tamoxifen is used for both for treating estrogen-responsive breast cancer and preventing its recurrence. In this study, the reduction in the risk of breast cancer recurrence & death was just as great whether the breast cancer survivors were taking tamoxifen or not.

In fact, tamoxifen was protective only for women with low soy intake. It conferred no extra protection for the women at the highest level of soy intake because the soy isoflavones were also blocking the binding of estrogen to its receptor.

Other Clinical Studies

If that were the only published clinical study to test the soy-breast cancer hypothesis, I and other experts would be very cautious about making definitive statements. However, at least four more clinical studies have been published since then, both in Chinese and American populations. The studies have either shown no significant effect of soy on breast cancer recurrence or a protective effect. None of them have shown any detrimental effects of soy consumption by breast cancer survivors.

A meta-analysis of all 5 studies was published earlier this year (Chi et al, Asian Pac J Cancer Prev., 14: 2407-2412, 2013). This study combined the data from 11,206 breast cancer survivors in the US and China. Those with the highest soy consumption had a 23% decrease in recurrence and a 15% decrease in mortality from breast cancer.

The Bottom Line:

What does this mean for you if you are a breast cancer survivor?

1)     There are many reasons to include soy protein foods as part of a healthy diet. Soy foods are one of the highest quality vegetable protein sources and provide a great alternative to many of the high fat, high cholesterol animal proteins in the American diet.

2)     I personally feel that these studies are clear cut enough that breast cancer survivors no longer need to fear soy protein as part of a healthy diet.

3)     The responsible websites agree with this assessment. For example, WebMD and the American Institute for Cancer Research (AICR) both say that breast cancer survivors need no longer worry about eating moderate amounts of soy foods.

4)     The irresponsible websites (I won’t name names, but you know who they are) are still warning breast cancer survivors to avoid soy completely. As a scientist I really have problem with people who are unwilling to change their opinions in the face of overwhelming scientific evidence to the contrary.

5)     Of course, some of those bloggers have now shifted their arguments to say that it is unfermented or genetically modified soy that causes breast cancer. Those statements are equally bogus – but that’s another story for another time.

6)     Finally, I want to emphasize that the published studies merely show that soy does not increase the risk of breast cancer and is safe to use for breast cancer survivors. None of those studies suggest that soy is an effective treatment for breast cancer. The protective effects of soy are modest at best. If you have breast cancer, consult with your physician about the best treatment options for you.

These statements have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure or prevent any disease.

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