Medicine
In medical usage, heavy metals are loosely defined and include all toxic metals irrespective of their atomic weight: "heavy metal poisoning" can possibly include excessive amounts of iron, manganese, aluminium, mercury, cadmium, or beryllium (the fourth lightest element) or such a semimetal as arsenic. This definition excludes bismuth, the densest of approximately stable elements, because of its low toxicity.
Minamata disease results from mercury poisoning, and itai-itai disease from cadmium poisoning.
Read more about this topic: Heavy Metal (chemistry)
Famous quotes containing the word medicine:
“I have noticed that doctors who fail in the practice of medicine have a tendency to seek one another’s company and aid in consultation. A doctor who cannot take out your appendix properly will recommend you to a doctor who will be unable to remove your tonsils with success.”
—Ernest Hemingway (1899–1961)
“No medicine in the world can do thee good;
In thee there is not half an hour’s life.”
—William Shakespeare (1564–1616)
“Hygiene is the corruption of medicine by morality. It is impossible to find a hygienest who does not debase his theory of the healthful with a theory of the virtuous.... The true aim of medicine is not to make men virtuous; it is to safeguard and rescue them from the consequences of their vices.”
—H.L. (Henry Lewis)