Only 1% of bacteria cause disease.
45
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
You inhale about 700,000 of your own skin flakes each day.
29
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
There's 100 trillion good bacteria living in your body.
17
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23