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
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
There's 100 trillion good bacteria living in your body.
17
It takes about 20 seconds for a red blood cell to circle the whole body.
102
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165