The Polar Activity Watch does away with dorky waistband step counters. This handsome timepiece tells you how many calories you burned, how many steps you took, and how many of those steps really "count" toward the activity you're supposed to get in a day (polar.fi). You'll get addicted to it quickly — and walk more than ever.
The First Sexually Transmitted Case of Zika Virus Has Been Reported in the U.S.
The patient had sexual contact with someone who had traveled to Venezuela.
Rumors I Heard About My Body: Is This Breast Pain Weird?
Lenny Letter and Planned Parenthood answer your questions about breast pain.