A member asked:

Is smoking once a day okay?...does it cause damage to hair?

A doctor has provided 1 answer
Dr. Jason Wilson answered

Specializes in Emergency Medicine

Not ok to smoke @all: There is no known dose dependent effect of smoking - meaning we don't know if some level of smoking is any safer than smoking multiple tobacco products each day in terms of oral cancer risk. However, lung cancer is correlated with longer pack years of smoking (number of packs each day x number of years smoking).

Answered 6/8/2013

5.3k views

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