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Researchers are reporting success with using cash incentives to help people lose weight. In a yearlong study, people were offered a chance to win or lose $20 a month if they met certain diet goals. They lost an average of 9 pounds compared to just over 2 pounds for other study participants who were not offered the chance to win money if they shed pounds.

The growing toll of diabetes cost the nation a record high $245 billion in 2012, a 41% increase from $174 billion in 2007, according to new research released today. The study Economic Costs of Diabetes in the U.S. in 2012, commissioned by the American Diabetes Association, estimated the health care and work-related costs of diagnosed diabetes. The full study will be published in the April issue of Diabetes Care.

Researchers find a majority of children with ADHD have continued symptoms, or symptoms of another psychiatric disorder, in adulthood. Childhood attention deficit hyperactivity disorder frequently persists into adulthood, bringing heightened risks of additional psychiatric issues and nearly five times the risk of suicide, according to a 20-year study that followed children diagnosed with the disorder.

For drugmaker GlaxoSmithKline, the 17-page article in the New England Journal of Medicine represented a coup. The 2006 report described a trial that compared three diabetes drugs and concluded that Avandia, the company’s new drug, performed best.

More than a decade of research hinting that magnesium supplements might boost your brain power is finally being put to the test in a small clinical trial. The research, led by biopharmaceutical company Magceutics of Hayward, California, began testing the ability of its product Magtein to boost magnesium ion (Mg2+) levels in the brain earlier this month. The trial will track whether the ions can decrease anxiety and improve sleep quality, as well as following changes in the memory and cognitive ability of participants. But critics caution that the trial in just 50 people is too small to draw definitive conclusions.

Well, it's official. Air pollution sends you to an early grave in the United Kingdom. In a recent study from the Department of Aeronautics and Astronautics at (MIT) researchers Steve Barrett and Steve Yim report that emissions from cars, trucks, planes and power plants cause 13,000 premature deaths in the United Kingdom each year.

Two Harvard researchers looked at the factors that actually improve student achievement and those that don’t. In a new paper for the National Bureau of Economic Research, Will Dobbie and Roland Freyer analyzed 35 charter schools, which generally have greater flexibility in terms of school structure and strategy. They found that traditionally emphasized factors such as class size made little difference, compared with some new criteria...

Tanning beds have already been linked to an increased risk of the deadliest type of skin cancer and now new research shows they can also raise the odds of developing the most common form of the disease.

Loving money may not be good for your love life, according to new research that finds that materialists have unhappier marriages than couples who don't care much about possessions.