Select true or false for each question:
1. The average human brain is made up of 75-80% water.
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2. The brain uses 20 percent of the total oxygen in the body.
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3. Alzheimer’s disease and dementia are not the same thing.
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4. Older age is the highest risk factor for Alzheimer’s.
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5. After the age of 30, the brain shrinks 0.25% in mass every year.
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6. You have a 50% chance of getting Alzheimer’s if you live to age 85.
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7. Alzheimer’s begins 20 years before memory loss.
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8. Lack of sleep results in memory problems.
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9. Stress shrinks the brain’s temporal lobe.
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10. Memories triggered by scent are stronger than other memory triggers.
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11. Most people dream about 1 to 2 hours per night.
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12. The average person has 4 to 7 dreams per night.
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13. 12% of people dream in black and white only, while the remaining population dreams in color.
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14. While sleeping, the body produces a hormone (GABA) preventing an individual from acting out the dream, leaving the body virtually paralyzed.
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15. The brain represents only 2% of total body weight.
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16. The skull is formed from 8 bones that fuse together.
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17. The human brain has more neurons per unit volume than other mammals.
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18. When awake, the human brain produces enough electricity to power a small light bulb.
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19. Living in a violent home has the same effect on a child’s brain as combat does on a solder’s brain.
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20. “Sphenopalatine Ganglioneuralgia” is also known as “brain freeze”.
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Originally published in 2015.