Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Tap water in Canada is held to a higher health standard than bottled water.
19
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Banging your head against a wall uses 150 calories an hour.
57
Chewing gum boosts your brain power.
285