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Answer to your Health Question

Question (05/24/2011):

Title: Exposure to thallium in 22 weeks of pregnancy.

Exposure to thallium in 22 weeks of pregnancy

Ereny

Answer:

Dear Ereny,

Thallium and its compounds are extremely toxic.

Exposure to them should not exceed 0.1 mg per m2 of skin in an 8-hour time-weighted average (40-hour work week).

Thallium is a suspected human carcinogen but the Department of Health and Human Services, the International

Agency for Research on Cancer, and the Environmental Protection Agency (EPA) have not classified thallium as to its human carcinogenicity.

Birth defects were not reported in the children of mothers exposed to low levels from eating vegetables and fruits contaminated with thallium.

Studies in rats, however, exposed to high levels of thallium, showed adverse developmental effects


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