Professor becomes his own test subject in longevity study, with biological age estimated 15 years younger
Study: Cutting protein intake may be key to a longer, healthier life
Rare gene variant linked to lower body fat, healthier livers and better blood sugar control
Taking the stairs may lower the risk of premature death
West Nile virus cases surge in Greece
Hidden health threat: Undeclared chemicals found in shampoos, creams and soaps
