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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.