Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Historically, sweat has been an active ingredient in perfume and love potions.
309
Wearing red increases attraction.
30
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Parents receive 1 out of every 5 Valentines.
20
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Kissing an infection-free partner is good for your teeth!
141