The human brain has the capacity to store everything that you experience.
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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Your body is creating and killing about 2.4 million red blood cells per second.
17
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
If you are cold you are more likely to be hungry because you use energy to keep warm.
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