fda approves menthol e cigarettes sign-off on e-cigarettes 'flies in the face of public health,' anti-tobacco groups say This Week's Advocacy News: 'FDA

JAMA 312 , 24932494 (2014)

Mechanisms Nicotine is a well-established respiratory irritant 58 , but other chemicals in e-cigarettes (e.g., diacetyl 59 , propylene glycol, carbon monoxide, and formaldehyde 60 ) also have detrimental effects for lung function including respiratory volume 61

Chronic bronchitis: This is a long-term condition defined by a cough with mucus production for at least three months in a year and for at least two years in a row

People may respond differently if they have repeated exposure to HWLs on actual cigarette packages

At a time when money is tight, tobacco can act as currency and spur the sale of other under-the-table goods