The human brain has the capacity to store everything that you experience.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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Your body is creating and killing about 2.4 million red blood cells per second.
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The human brain doesn't stop developing until about 25 years old.
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When you take a step, you are using up to 200 muscles.
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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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Yawns are more contagious among people with closer relationships.
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