Sex burns about 360 calories per hour.
860
The skin on your lips is 200 times more sensitive than your fingertips.
345
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The human brain is more active during sleep than during the day.
28
A woman's sense of smell is most sensitive during ovulation.
34
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
Male hospital patients fall out of bed twice as often as female hospital patients.
71