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
In Japan, condoms are commonly sold 'door to door'!
54
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Enamel is hardest substance in the human body.
61
The average female will have 3.3 pregnancies in her life.
49
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176