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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

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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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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

muscle anatomy muscle anatomy
Trabeculae carneae (folds of muscle in ventricle) Trabeculae carneae (folds of muscle in ventricle)
Multiple sclerosis is characterized by damage to the myelin sheath surrounding the axons of motor ... Multiple sclerosis is characterized by damage to the myelin sheath surrounding the axons of motor ...
Cat paw mobilizing of shoulders toward the feet. Press downward along upper trapezius muscle from ... Cat paw mobilizing of shoulders toward the feet. Press downward along upper trapezius muscle from ...
Apply kneading and deep stroking to lower arm muscles. (A) Knead muscle bellies. (B) Thumb press ... Apply kneading and deep stroking to lower arm muscles. (A) Knead muscle bellies. (B) Thumb press ...
Microscopic Anatomy of a Muscle Microscopic Anatomy of a Muscle
Video: What is Reverse Osmosis?

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