Your heart rate can rise as much as 30% during a yawn.
69
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
Your skin is actually an organ.
88
When your face blushes, the lining of your stomach turns red, too.
154
Tap water in Canada is held to a higher health standard than bottled water.
19
Only 1 person in 2 billion will live to be 116.
49
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
Dieters who sleep more take off more fat that those who sleep less.
159