(1) When waste oils are burned in incinerators, toxic metals such as nickel, vanadium and cadmium get ensnared in the particles given off into the atmosphere.(2) And with toxic metals like cadmium , mercury and lead, it's the same story.(3) The principal pollutants are lead, cadmium , zinc, iron and manganese.(4) High levels of zinc, cadmium , and barium have also been consistently found in residential soils close by the plant.(5) The use of chlorophyll fluorescence to study effects of cadmium , copper, and mercury on photosynthesis has been recently reviewed.(6) Selenium appears to antagonize cadmium , especially in acute exposures.(7) In addition to mercury and lead, the other heavy metals commonly used by auto makers are cadmium and hexavalent chromium.(8) New processing methods are outlined from which potassium, sodium, barium, strontium and cadmium were discovered.(9) Crabs, for example, when examined, show up to 20 times the normal levels of carcinogenic metals such as cadmium and cobalt.(10) But motor oil wears out and gets dirty, soaking up toxic heavy metals like lead and cadmium , and so it must be changed.(11) A final stress condition that was characterized was exposure to the heavy metal cadmium .(12) Finally, vitamin C can help rid the body of heavy metal toxins, including mercury, lead, cadmium and nickel.(13) Similarly, small amounts of the toxic trace metal cadmium can promote plant growth(14) Exposure to toxic metals such as cadmium or lead can result in an alteration in peripheral metabolism of thyroid hormones.(15) For example, many metals, like cadmium , lead, and mercury are toxic to humans and are mutagenic and carcinogenic.(16) Computers contain chemicals such as brominated flame retardants and heavy metals like lead and cadmium .