Explain This archive

June 23, 2008

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Stroke study in Corpus Christi, Texas, highlights risk for women and Mexican Americans

What's new: Women and Mexican Americans appear to be at higher risk of a type of stroke that causes bleeding in the space between the brain and its surrounding tissues.

June 9, 2008

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Weighing too much or two little may increase risk of dementia

What's new: Obesity appears to increase a person's chances of cognitive decline in old age -- but so, paradoxically, does weighing too little for one's height.

Breast cancer rates, sun exposure and Vitamin D

May 26, 2008

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Breast cancer rates, sun exposure and Vitamin D

What's new: The risk of breast cancer is apparently higher in populations living far from the equator than it is for those in the sunny tropics.

May 12, 2008

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Fairness is emotionally rewarding, a study finds

What's new: The sinking feeling that creeps in after you've paid too much for a house, car or new pair of shoes may actually be a hard-wired, neurological response to being treated unfairly.

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