Does colorful light therapy actually make a difference? I tested a range of devices on my acne-prone skin to find out.

The U.S. is in a severe flu season, and antiviral medications such as Tamiflu can help if you get sick—but it's not recommended for everyone. Here's what you need to know about the medication.

Palm-cooling devices—designed to help humans bounce back quickly from exertion and heat stress by chilling their palms—are showing up on sidelines, in training camps, and wherever the heat is on.