If current trends continue, nearly one-quarter of the world's population will be obese by 2045. And one in eight people will have type 2 diabetes, new research suggests.
If you want to look cool, try smiling, researchers suggest.
Whether you're studying for an important exam or learning a new language, there's more proof that nonstop cramming sessions may not translate into the long-term memory retention you want.
In a troubling sign that anxiety and depression are taking hold of America's youth, new research shows a doubling since 2008 in the number of kids and teens who've been hospitalized for attempted suicide or suicidal thoughts.
British researchers have developed a molecule they claim could make colds a thing of the past.