How Many Plant Foods Should You Eat in a Week for a Healthy Gut?

In TODAY.com's Expert Tip of the Day, dietitians reveal how many plant-based foods you should be eating each week — and why ...
Scientific American

This Is What Actually Helps When Sick with a Cold or Flu

Should you take vitamin C or zinc when you are sick with a common cold or influenza? Immunologist Zachary Rubin explains ...