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The good, the bad and the ugly on soy
Editor's note: CNN's Dr. Sanjay Gupta answers medical questions submitted by e-mail on "Your Health," which airs at 2:30 p.m. EDT Saturdays. Questions and answers are posted on CNN.com after the show. Q: What are the true benefits of soy? -- Pat from Gulf Breeze, Florida A: There are many benefits to eating a diet rich in soy products. Research shows every yellow bean is packed with estrogen-like molecules called isoflavones that may help fight heart disease, osteoporosis and cancer -- particularly of the breast and prostate. The FDA recently gave food makers permission to list soy's cholesterol-lowering properties on package labels. But some researchers warn of too much of a good thing. One study actually found that the brains of elderly people who had eaten tofu twice a week for 30 years functioned as if they were four years older. And other experts are concerned that isoflavones may hamper the function of the thyroid. So, as with everything, experts recommend moderation. Q: What are some tips on how to eat healthy on a college campus? -- Eric from Houston A: Eric, the secret to eating healthily at college is the same as eating healthily anywhere else -- you'll just have a lot more temptation to handle or avoid in the form of all-you-can-eat cafeteria plans, keg parties and late-night pizza orders. Just stick to the basics: a diet full of fruits and vegetables and everything else in moderation. This is particularly important when you hit the cafeteria, with all of its choices and bottomless servings Choose beverages and foods that limit your sugar intake, and if you drink alcoholic beverages, do so in moderation. And here are couple more tips: Keep a bowl of fresh fruit or other healthy snacks in your dorm room, make sure to eat regular meals and don't skip breakfast. Good luck and happy studying! "Ask Dr. Gupta" is not intended to address specific questions concerning individual cases. CNN does not directly or indirectly practice medicine or provide medical advice, and nothing contained in the responses of CNN through its correspondents is a substitute for medical advice, diagnosis or treatment. Always contact your doctor if you need medical advice or treatment, or have any questions regarding a medical condition.
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