tobacco industry documentary Merchants of Doubt (film) Tobacco Conspiracy: The Backroom Deals

Because cilia cannot sweep mucus out of the lungs as quickly as its being formed, it accumulates in the airways, clogs them up and triggers a cough

Smoking Statistics , (Oxford: Oxford University Press, 1988), p

These conditions include: 3 Serious effects associated with the respiratory suppression (decreased breathing rate) that both drugs induce : These effects can include respiratory infections and tissue and organ damage as a result of hypoxia (decreased blood flow to the organs and tissues)

Synapse 2003

Preparation: Safety and Tools Safety First: Lead-acid batteries can vent hydrogen and aerosolized acid and leak acids and toxic metals