It takes twice as long to lose new muscle if you stop working out than it did to gain it.
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Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
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Your heart beats over 100,000 times a day!
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A human being loses an average of 40 to 100 strands of hair a day.
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Those who get out of bed by 7am are more likely to be thinner and happier.
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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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