People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
Flu shots only work about 70% of the time.
18
In Nepal, cow dung is used for medicinal purposes.
19
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
One quarter of the human brain is used to control the eyes.
43
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16