Study: Obesity can take 10 years off a person's life

British researchers analyzed 57 studies that followed almost 1 million people for an average of 10 to 15 years and found death rates were lowest for those with a body-mass index of 23 to 24. Those with a BMI of 30 to 35 lost about three years of life, and people with a BMI above 40 lost about 10 years from their expected life spans. More...

Studies question risks, benefits of PSA screening

A 10-year U.S. study of 77,000 men found a higher number of deaths among men assigned to annual prostate-specific antigen screening compared to controls, though researchers said more work was needed to determine if the difference was due to chance. A second study in Europe of 182,000 men found PSA screening reduced the risk of death by 20%. One U.S. researcher said the aggressive treatment of prostate tumors that often grow very slowly can be of little benefit but could harm men by causing impotence, incontinence and even death. More...

Red meat consumption tied to shorter life span

A U.S. National Cancer Institute study found men and women who ate the highest amount of red meat had an increased risk of dying from any cause -- 31% and 36%, respectively -- compared with people who ate the least amount of red meat. Researchers also found that 11% of men's lives and 16% of women's lives could be saved by reducing meat consumption to the amount eaten by the bottom 20% in the study. More...

Study: Americans fear diabetes, but don't fight it

The majority of Americans fear developing diabetes, a survey found. But many don't talk to their doctors or change unhealthy behaviors that could lead to the disease. More...

CDC: American salt consumption dangerously high

Americans are at greater risk for high blood pressure, heart attacks and strokes because they consume twice the recommended amount of salt, according to CDC researchers. The study found that almost 70% of adults are in high-risk groups that would benefit from reduced salt intake. More...