20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Human thigh bones are stronger than concrete!
63
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
People who sleep late have more mental stamina and can outperform early risers.
33
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
More people have a phobia of frogs than rats.
41