Why Do We Have Eyebrows and Eyelashes?01:01
NBC News Medical Contributor Dr. Natalie Azar explains the evolutionary purpose of human facial hair.
Couple brought together by kidney donation hope for 2nd act of kindness05:30
Carson Daly wants to spread heart health awareness05:27
1 simple shoulder stretch to release tension from the body01:01
Carson Daly honors late mom with important message on heart health08:46
Longtime couples share secrets to lasting love04:10
How your brain responds to being in love02:00