Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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The human brain is more active during sleep than during the day.
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Chocolate, sex, and laughter are all important for a healthy brain.
37
The human heart creates enough pressure to squirt blood 30 ft.
37
Wearing headphones for an hour increases the bacteria in your ear 700 times.
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Dieters who sleep more take off more fat that those who sleep less.
159
There's 100 trillion good bacteria living in your body.
17
Children are more allergic to cockroaches than they are to cats!
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