how long to hold cigarette smoke in lungs Quitting smoking rarely happens with one big decision. It usually begins with one a small, courageous decision not light up the next cigarette. And from that moment, the body begins to Smoking: Effects, Risks, Diseases, Quitting
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Its not a mess
All posts on 2 January which was the date of the FDA announcement were included in the post-ban period to capture responses from the time of policy enforcement

The 30-second figure is what's reported as Cranking Amps (CA) or Cold Cranking Amps (CCA) depending on the temperature (32F for CA and 0F for CCA)

The study found similar effects regardless of how long the participants held the smoke before exhaling, which tells us that holding it longer doesn't make much of a difference
