Seven Things You Don’t Know About Your Skin
March 28th, 2008
1 An average adult’s skin weighs between six and nine pounds.
2 There are two million sweat glands in your skin.
3 Nail beds, eardrums, edges of lips, and the tip of a penis don’t sweat.
4 A grown adult sheds 24 ounces of skin a year, two ounces more than a basketball.
5 Dead skin accounts for one billion tons of dust in the atmosphere.
6 People with the genetic defects Naegeli syndrome and dermatopathia pigmentosa don’t develop fingerprints.
7 We were all dark skinned more than 50,000 years ago. Melanin pigment was lost after humans migrated to colder climates.
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