Health Buzz: DNA and Lung Cancer and Other Health News

Studies Determine DNA Link to Lung Cancer 

Why do some smokers, even those who only occasionally have a cigarette, get lung cancer, while other heavy smokers do not? Three independent research groups say they may have the answer. The research found that people with a specific genetic variation have a 30 percent greater chance of developing the deadly disease. The odds more than double if the gene variation is inherited from both parents. All the more reason to quit smoking.

Drinking 8 Glasses a Day? Scratch That

Two doctors from the University of Pennsylvania analyzed the data supporting the need to drink eight glasses of water daily, and it appears to be an urban myth. The doctors considered four supposed health benefits from drinking water, such as improved skin tone and reduced  hunger. And significant water intake offered no improvement.

"Our bottom line was that there was no real good science--or much science at all--behind these claims, that they represent probably folklore," Stanley Goldfarb, one of the researchers, says in a Reuters interview.

More Than Shy: How to Cope With Social Anxiety

Social phobia can make even leaving one's house a terrifying ordeal. But the condition, while often debilitating, is treatable. In Matt Shulman's recent article, experts share tips and explore how it differs from normal shyness.

On Circumcision, Studies Cut Both Ways

The latest study in the acrimonious debate over circumcision shows that the procedure does not reduce common sexually transmitted diseases. Luckily, On Men columnist Adam Voiland writes, condoms do.

Children's Health, State by State

What state you live in can determine the health of your children, according to a report released yesterday by the Every Child Matters Education Fund. The organization analyzed 10 factors, such as a mother's prenatal care, to assess a child's well-being. According to the survey results, those kids growing up in some New England states have the best chance of reaching adulthood in great health.

You can check to see where your state falls on the list, and learn more about children's health at usnews.com.