It takes approximately 12 hours for food to entirely digest.
93
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Men have larger hearts; women's hearts beat faster.
77
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Poor eyesight (myopia) is associated with higher IQ.
232
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15