On average, there's 100 billion neurons in the human brain.
83
Redheads require more anesthesia to 'go under' than other hair colors do.
50
Your heart rate can rise as much as 30% during a yawn.
69
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
At age 70, more than 70 percent of men are still potent!
29
Wearing tight pants can lead to impotence in men.
120
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22