Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Chewing gum boosts your brain power.
285
Fingernails grow fastest on the hand you favor.
44
A sneeze can travel as fast as 100 miles per hour.
43