Light therapy could slow heart aging and fend off deadly disease
Nearly 20% of Americans over 65 have diagnosed heart disease, which is the leading cause of death in the US
New discovery may make losing weight and keeping it off much easier
One of the most frustrating aspects for many is the yo-yo effect of calorie restriction, that sees dieters regain half of their lost pounds within two years
How long can you go without sleep?
And what can happen to your body if you stay awake way past your bedtime?
