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On the Brain: Weightlifting for the mind
January 19th, 2011
05:41 PM ET

On the Brain: Weightlifting for the mind

This week there's exciting new research on the brain's response to stress (bad) and weight lifting (good), as well as dementia, ADHD, and Alzheimer's.

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Smokers: Seeing someone light up is brain trigger
January 19th, 2011
11:45 AM ET

Smokers: Seeing someone light up is brain trigger

A big temptation for smokers is watching others smoke. Now, scientists are getting a deeper understanding of what goes on in the brain during those kinds of cravings.

A new study in the Journal of Neuroscience shows that watching people in a movie smoke triggers the same brain activity involved in planning to actually smoke a cigarette.

"This is one potential cue out there that can influence whether or not you’ll engage in smoking," said Dylan Wagner, lead study author and researcher at Dartmouth College.

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Drug for heavy periods may help in traumas
January 19th, 2011
10:36 AM ET

Drug for heavy periods may help in traumas

A drug used to stem bleeding for heavy menstrual periods may do the same for hemorrhaging patients after a traumatic injury, according to a new study. Tranexamic acid, which works by keeping blood clots intact, could prevent countless deaths in situations where extensive blood loss occurs, according to the study.

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January 19th, 2011
10:28 AM ET

Is soy linked to breast cancer?

Every weekday, a CNNHealth expert doctor answers a viewer question. On Wednesdays, it's Dr. Otis Brawley, chief medical officer at the American Cancer Society.

Question asked by Curious, Texas

One of my neighbors has breast cancer. Her doctor has asked her to completely stop eating soy and its products, including edamame and tofu. My neighbor used to eat tofu at least three times a week before she got breast cancer. Is there a link between soy and breast cancer? Is there a potential that I will get breast cancer because I used to eat edamame? FULL POST


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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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