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These dichotomous actions of tobacco smoke triggering the immune response while nicotine may suppress the immune response demonstrates how smoking can throw off the balance of the immune system

ASSAD 2022/2023: Australian secondary school students use of tobacco and e-cigarettes [Internet]

their use for smokeless tobacco cessation is off-label and should be discussed with a GP, particularly in patients with existing liver disease

It also increases the risk of lung diseases, such as emphysema and chronic obstructive pulmonary disease (COPD)

thus the cigar is generally "puffed on" (like a tobacco pipe) as opposed to being inhaled from (as is the case with cigarettes)