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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
People about to have surgery must tell their health care providers about all supplements they take.
Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.