Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The human brain is insensitive to pain.
76
Your skin is actually an organ.
88
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
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
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176