Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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If you are cold you are more likely to be hungry because you use energy to keep warm.
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