It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
In Japan, condoms are commonly sold 'door to door'!
54
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
People who sleep late have more mental stamina and can outperform early risers.
33
Sex burns about 360 calories per hour.
860
By the age of 60, most people have lost 50% of their taste buds.
17
There are about 1,400 different species of bacteria in your belly button.
10