Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Deep Breathing gives you health benefits similar to aerobics.
39
Poor eyesight (myopia) is associated with higher IQ.
232
One or two alcohol drinks a day can be anti-inflammatory.
75
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
Flu shots only work about 70% of the time.
18
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38