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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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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Human Body Muscle Diagram Human Body Muscle Diagram
Intussusception. The condition is caused by an infolding of the small intestine, which often causes Intussusception. The condition is caused by an infolding of the small intestine, which often causes
CARDIAC MUSCLE TISSUE CARDIAC MUSCLE TISSUE
Muscles of the right upper extremity supine view Muscles of the right upper extremity supine view
Damage to Field CA1 Caused by Anoxia Damage to Field CA1 Caused by Anoxia
Stretching the shoulder muscles with arm in horizontal flexion. Stretching the shoulder muscles with arm in horizontal flexion.
Video: Chronology of leptin research (A history of leptin research)

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