Nearly 80 percent of all sudden cardiac arrests happen at home.
7
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
It takes 17 muscles to smile, 43 to frown.
65