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Antioxidants in coffee, tea may not help prevent dementia, stroke
February 20th, 2013
05:04 PM ET

Antioxidants in coffee, tea may not help prevent dementia, stroke

Drinking coffee and tea rich in antioxidants may not lower your risk of dementia or having a stroke, according to a new study published Wednesday in the online journal Neurology.

The study may call into question other research suggesting a diet high in antioxidants helps reduce the risk of dementia and stroke.

Researchers followed approximately 5,400 people aged 55 years and older for nearly 14 years. The participants had no signs of dementia when they began the study and most had never had a stroke. They were questioned about how often they ate 170 foods over the course of the past year and they were divided into three groups based on the levels of antioxidants in their diet - low, moderate or high.

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Why your back, feet hurt: blame evolution
February 20th, 2013
03:39 PM ET

Why your back, feet hurt: blame evolution

The fact that many people's backs and feet hurt is news that's millions of years old.

It's because of the way we have evolved, uniquely from other mammals, that we also have a lot of aches and pains that our close relatives do not experience, anthropologists said last weekend at a briefing at the American Association for the Advancement of Science annual meeting.

"We’ve known for a long time, since Darwin’s time, that humans have evolved, and that humans are not perfect, because evolution doesn’t produce perfection," said Jeremy DeSilva, anthropologist at Boston University.

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About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.

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