There are more bacteria in your mouth than there are people in the world.
60
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
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Tap water in Canada is held to a higher health standard than bottled water.
19
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
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
About 400 different kinds of microbes live on and in the human body.
-3
Drinking banana milkshake is a perfect cure for hangover.
21