Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
Ingrown toenails are hereditary.
15
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31