Soy May Help Men Protect Against Baldness

Oct 2008

Soy may provide men protection against prostate cancer, heart disease, and even baldness, according to Suzanne Dixon MPH, MS, RD, an internationally recognized expert in chronic disease prevention, public health, nutrition and epidemiology.

Writing in the October "To Your Health," Vitasoy's health professionals quarterly, Dixon said that soy appears to protect against prostate cancer and may provide protection against hair loss, too.

She said, "Male pattern baldness is associated with higher risk of prostate cancer and there may be a 'common pathway' through which soy protects against both prostate cancer and hair loss in men."

Soy consumption and reduced risk of prostate cancer are linked, noted Dixon. "Men who live in countries with higher soy consumption have lower risk of prostate cancer.

This tells us that soy is a possible dietary component that may protect the prostate against cancer development."

Research in men with prostate cancer has shown that soy can reduce the rate at which prostate specific antigen (PSA) increases.

According to Dixon, "This is good news because PSA is used to track how prostate cancer may be progressing in men with the disease. The slower PSA goes up, the better."

While recent research claims that soy decreases fertility in men, "this is preliminary and shouldn't keep men away from soy," notes Dixon.

Also important to note is that more than two-thirds of the men studied were overweight or obese, conditions linked to decreased fertility. "It would be premature to tell men to avoid soy for fertility reasons at this point," explained Dixon.

How soy contributes to heart health has been controversial, but Dixon put it into perspective: "Whole soy foods, such as tofu and soy milk, are moderate to high in protein, contain no saturated fat, and provide important heart healthy nutrients such as calcium.

If soy replaces foods that are higher in saturated fat, for example, this substitution alone can provide measurable heart health benefits."

About Suzanne Dixon, MPH, MS, RD

An internationally recognized expert in chronic disease prevention, public health, nutrition, and epidemiology, Suzanne Dixon, MPH, MS, RD is the creator of the award-winning website CancerNutritionInfo.com .

She has authored numerous publications, lectured extensively and taught at the University of Michigan at Ann Arbor and Eastern Michigan University in Ypsilanti, Michigan. Her honors include the Distinguished Practice Award from the Oncology Nutrition Dietetic Practice Group of the American Dietetic Association, the American Dietetic Association Foundation Award for Innovative Nutrition Education Programs for the Public and Time Magazine's 50 Coolest Websites award. She received her training in epidemiology and nutrition at the University of Michigan, School of Public Health at Ann Arbor.

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