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"We know that snus and these kinds of nicotine products cause changes in your blood pressure and there is a risk of long-term cardiovascular disease." Arehed Kagstrom fears that just like with smoking it will take years to show "to what extent these products were harmful." A June 2023 study by the Norwegian Institute of Public Health showed that the risk of throat and pancreatic cancer was three and two times greater, respectively, among frequent snus users

Light cigar use (1-2 daily without inhalation) shows dramatically lower mortality increases than cigarette smoking

doi:10.1186/s12916-024-03311-4

2 weeks to 3 months: Your heart attack Risks drop/Your lung function begins improving

Of all the lungs cell types, these are among the most likely to become cancerous. Mutations Caused by Smoking The researchers found that mutations (single-nucleotide variants and small insertions and deletions) accumulated in the lung cells of non-smokers as they ageand that significantly more mutations were found in the lung cells of the smokers