The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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The human brain has the capacity to store everything that you experience.
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One human hair can support 3 ounces.
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Your body is creating and killing about 2.4 million red blood cells per second.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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