two cigarettes a day Smoking even 2 daily substantially elevates long-term cardiovascular risk, and the excess risk can persist for decades after quitting. large pooled analysis in PLOS Medicine (PMID: 41252354) looked at how Cardiovascular Disease: Even Occasional Smoking

Cardiovascular Disease: Even Occasional Smoking Linked to Higher Risk One or two cigarettes a day viewed as less harmful but may be a hard habit to break Eight year old Indonesian boy smokes two packs of cigarettes a day Raymond Judd Jr, 29 months old, who smokes two cigarettes a day and an occasional cigar, Louisville, KY 6 1958. Courtesy: CSU Stock Photo Alamy

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