effects of tobacco on cardiovascular system Heart – The Center for the Study Tobacco and Society Impact of smoking on cardiovascular

[vii] Diaz MC, Silver NA, Bertrand A, et al

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Here's what we found: 'Theres been a transformation in R&D over the last 5 years' BAT, founded in 1902, has had an R&D facility in Southampton since 1955 and for decades scientists here worked to try and create what they call a "safer cigarette" a smoke that contained smaller quantities of the harmful chemicals associated with causing diseases, including carbon monoxide and lead

However, those working with tobacco plants often do so in very warm weather, so it is essential that workers are given adequate breaks and opportunities for hydration in order to avoid heat exhaustion