A new weight-loss drug is almost twice as effective as current medications, clinical trial results show, and experts say it could revolutionize the treatment of obesity.
Putting on a few extra pounds in your 50s may add years to your life -- if you start off at a normal weight and your weight gain doesn't tip into obesity, a new study suggests.
Respiratory problems and other factors -- not inflammation -- may explain why obese people are more likely to have severe COVID-19 and die from it, according to a new study.
