Fingernails grow nearly 4 times faster than toenails.
31
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
The lense of the eye continues to grow throughout a person's life.
34
Only 1% of bacteria cause disease.
45
On average, there's 100 billion neurons in the human brain.
83
It takes 17 muscles to smile, 43 to frown.
65
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22