Health

 
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2010: The year in medical breakthroughs

A bone marrow transplant for HIV, early warning signs of Alzheimer’s, CT scans for lung cancer prevention and more in the year’s top research developments.

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Vitamin D

Vitamin D is good for your bones. That much we know. But how much do you need? We asked the experts about a new report that has heightened the debate.

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  Mixed signals: Why is the USDA promoting nutrition and pushing cheese?

The U.S. Department of Agriculture is in the business of getting Americans to eat healthier food. But it’s also in the business of promoting the excessive consumption of cheese.

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  Inside the mind of cancer: An interview with Sid Mukherjee

After decades of research, there’s a lot that we know about cancer, but what about its personality? Sid Mukherjee’s new “biography of cancer” tells the story of this deadly disease.

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Study finds that CT scans can reduce lung cancer deaths

For the nearly 100 million smokers and ex-smokers in the United States, the news that CT scans could reduce the risk of death from lung cancer represents a huge step forward in early cancer detection. As things currently stand, 85 percent of those diagnosed with lung cancer will die from it. But this latest study conducted [...]

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Among Asian-American women, a little known battle with depression

Depression has taken a quiet toll on the Asian-American community, and particularly women, who have a higher rate of suicide than women in other American groups.

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Answering your questions about mammograms

By Dr. Emily Senay and Laura LeBlanc Following our segment last week about new studies on the necessity of annual mammograms, Need to Know spoke with experts from Memorial Sloan Kettering, the American Cancer Society, and the National Cancer Institute to answer your questions on the topic. Many of you have asked specific questions about [...]

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Five things you need to know about mammograms

A new study suggests that mammograms are not as helpful in extending breast cancer survival rates as we think. Correspondent Dr. Emily Senay will tell us what we need to know about the new study, and what the controversy means for health policy.

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Fighting the stigma

An actor with 80 films and a longstanding role on “The Sopranos” to his credit, Joey Pantoliano has made a documentary about coping with mental illness — his own and others’.