The long and winding journey to the roots of Alzheimer's disease , the most common form of dementia, has turned up three new genetic clues--the first major ones in 15 years. [More]

That midnight trip to the fridge might be doing double damage. Most people know by now that it's poor dietary form to eat right before bed, but the body's natural circadian rhythm and related rest cycles might also have more to do with weight gain than previously thought, according to a study published online today in the journal Obesity . [More]