After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
One out of 20 people have an extra rib.
66
Only 1% of bacteria cause disease.
45
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
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8