Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
There are more bacteria in your mouth than there are people in the world.
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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
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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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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
Many human diseases are caused by mutations in single genes
The human skeleton
The supralaryngeal airway in a chimpanzee and a human.
Human embryo shortly after fertilization in the laboratory