Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Chemical structure of lipids.
The Molecular Structure and Behavior of Lipids
Fats, Oils, and Other Lipids
Three Types of Lipids The three types of lipids vary in structure