Only 1% of bacteria cause disease in humans!
2
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
The human brain has the capacity to store everything that you experience.
4k
In Japan, condoms are commonly sold 'door to door'!
54
If you unfolded your brain, it would cover an ironing board.
42