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How Your Diet May Affect Your Risk of Alzheimer’s Disease

Omega-3s and vitamins may protect your brain's function and size.

The Truth About Vitamin D

Dorling Kindersley

Vitamin D has been touted as a magic bullet, protecting against bone fractures, heart disease and even cancer. Now, a government group takes a closer look at the data.

Vitamin E May Increase Risk of Prostate Cancer

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Adding to the evidence that regularly taking dietary supplements may do more harm than good, researchers at the Cleveland Clinic have found that men taking vitamin E are not protected from prostate cancer, and may even be at higher risk for disease, compared with men not using the supplements.

Vitamins and Supplements Linked to Higher Risk of Death

Brian Hagiwara / Getty Images

If you think you’re doing your body good by popping a daily multivitamin or supplementing with extra vitamin C or E, think again. A new study finds that taking supplements is linked to higher odds of early death, at least in older women.

Low Vitamin B12 Linked to Smaller Brains and Cognitive Decline

Brian Hagiwara

Older people may not be getting enough vitamin B12, and that could affect their thinking and the size of their brain, according to a new study.

Study: U.S. Calcium Guidelines May Be Too High

Kallista Images

Since bones tend to deteriorate with age, it makes sense to take in more calcium as we get older, to help lower the risk of fractures in our hips and limbs. But how much additional calcium is enough? And is there such as thing as too much?

53%

Percentage of U.S. adults who reported taking dietary supplements in 2003-2006, up from 42% in 1988-1994, according to a government survey [PDF]. Vitamins and minerals are the most commonly used supplements, with about 40% of men and women saying they take them. The rise has helped fuel the growth of the $27 billion supplement industry. [...]

Study: Fish Oil May Prevent Symptoms of Postpartum Depression

Lianne Milton

Postpartum depression can affect up to 25% of new mothers during the first year after delivery, but researchers say there may be a relatively easy way to lower that risk — starting before women give birth.

Zinc Won’t Cure Colds, but It Could Make Them Less Miserable

zincCropped

It’s hard to separate hype from health these days, especially when it comes to treating the common cold. Without an effective, proven medical treatment to control sneezes and sniffles, all sorts of remedies — some more valid than others — have managed to muscle their way on to our medicine shelves. But at least one, [...]