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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.