Venous insufficiency occurs when the veins are less able to transport blood back to the heart. Most cases of venous insufficiency are chronic. In this article, we look at the types, causes, and treatments for venous insufficiency.

People following the military diet spend 3 days restricting their calorie intake and then have 4 days of regular eating. Supporters of the diet believe that it can help people lose weight quickly, but a lack of variety could mean that people miss out on some nutrients. Learn more about this diet here.

After decades of research, there are shockingly few firm conclusions.

Weight training might not just improve your physique — it might help build a healthier heart, too.

Voters in Oregon and Washington will decide Tuesday whether to strip cities of their ability to tax sugary drinks, thanks to ballot initiatives backed by Big Soda.(Image credit: Melissa Lomax Speelman/Getty Images)