When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Your body is creating and killing about 2.4 million red blood cells per second.
17
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Every day, the average person swallows about a quart of mucous.
5
Fingernails grow nearly 4 times faster than toenails.
31
From the age of thirty, humans gradually begin to shrink in size.
1