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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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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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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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