The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
When your face blushes, the lining of your stomach turns red, too.
154
Men are twice as likely to be binge drinkers than women.
87
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Nearly 80 percent of all sudden cardiac arrests happen at home.
7