People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
Your ribs move about 5 million times a year, every time you breathe!
60
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The human brain doesn't stop developing until about 25 years old.
102
Enamel is hardest substance in the human body.
61
Redheads require up to 20% more anesthesia to be knocked out.
112
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22