After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Our Right Lungs takes more air than our left lung.
194
You inhale about 700,000 of your own skin flakes each day.
29
More people have a phobia of frogs than rats.
41
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
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
A sneeze can travel as fast as 100 miles per hour.
43