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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
People about to have surgery must tell their health care providers about all supplements they take.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
There are approximately 3 million unintended pregnancies in the United States each year.