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Fact

Chronic exposure to heavy metals like lead, arsenic and cadmium can affect the brain. They're all found in cigarette smoke.

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Source 1:

Tchounwou, Paul B, et al."Heavy Metals Toxicity and the Environment." PMC. 26 Aug. 2014.

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4144270/

Issue

Smoking

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