Tobacco litter a potential threat

indiatimes.com - 23 de Noviembre de 2015 – India
KOLKATA: Tobacco use has not only been inducing cancer but is also leaving the environment polluted, spreading diseases and possibly contaminating food, says a body of oncologists in Kolkata.

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http://timesofindia.indiatimes.com/city/kolkata/Tobacco-litter-a-potential-threat/articleshow/49915526.cms