10. Cracking your knuckles
Myth: Cracking your knuckles causes arthritis
Truth: When a person bends, cracks or pulls on these joins, tiny air bubbles form in the
fluid and when they burst you hear a pop or snap.
12. Dim Light
Myth: Reading in dim light causes bad eyesight.
Truth: Back in the day, our ancestors did all their reading by light of a flickering candle and
their eyesight didn’t appear to suffer.
13. Chewing Gum
Myth: It takes 7 years to digest swallowed gum.
Truth: Although gum sticks to just about everything, our stomach is an exception. Your
body doesn’t digest the gum, but it still passes through.