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Higher but “safe” level of lead in blood increases risk of death

BMJ 2006; 333 doi: https://doi.org/10.1136/bmj.333.7570.674-c (Published 28 September 2006) Cite this as: BMJ 2006;333:674
  1. David Spurgeon
  1. Quebec

    People whose blood has a concentration of lead that is high but that is still considered safe have a higher risk of death from many causes than people with a low concentration, a new study shows.

    The 14 000 people in the study, which was published online on 18 September in Circulation (http://circ.ahajournals.org, doi:10.1161/circulationaha.106.628321), were recruited from 1988 to 1994 and followed for 12 years. Compared with participants whose blood lead concentration was <0.09 micromol/l, participants whose blood lead concentration was between 0.17 micromol/l and 0.48 micromol/l had a 25% higher risk of death from any cause, a 55% higher risk of death from cardiovascular disease, an …

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