Psychology & Psychiatry

Antioxidants—too much of a good thing?

In older men, a natural antioxidant compound found in red grapes and other plants—called resveratrol—blocks many of the cardiovascular benefits of exercise, according to research published in The Journal of Physiology.

Health

Antioxidants: Is the hype justified?

Twenty-five years ago the term "antioxidant" was new to the public. Today it's big business, with sales of products making antioxidant-related claims reaching $65 billion in the U.S. in 2011.

Health

New studies highlight risks of vitamin supplements

New research is prompting a fresh look at the value of vitamin supplements, with some surprising results indicating that taking too many supplements of some could be harmful.

Psychology & Psychiatry

Scientists trace path from PTSD to heart disease

People with post-traumatic stress disorder (PTSD) face a higher risk of heart disease at an earlier age than people without PTSD. A new study helps explain why.

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