It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Your heart beats over 100,000 times a day!
54
A human being loses an average of 40 to 100 strands of hair a day.
133
Those who get out of bed by 7am are more likely to be thinner and happier.
19
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
25% of your bones are located in your feet.
12
There's a new vaccine for alcoholism that gives drinkers an immediate and harsh hangover, even if they drink a small amount of booze.
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