You inhale about 700,000 of your own skin flakes each day.
29
Every year your body replaces 98% of your atoms.
119
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
The human brain doesn't stop developing until about 25 years old.
102
Kissing an infection-free partner is good for your teeth!
141
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44