Children are more allergic to cockroaches than they are to cats!
46
Deep Breathing gives you health benefits similar to aerobics.
39
On average, there's 100 billion neurons in the human brain.
83
If you unfolded your brain, it would cover an ironing board.
42
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
A person can live without food for about a month, but only about a week without water.
156
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16