can cigarettes cause shortness of breath Smoking causes deep, progressive damage to the lungs by destroying air sacs, narrowing airways, reducing oxygen exchange, and weakening natural cleansing mechanisms. Over time, it leads to chronic cough, breathlessness, COPD, and Smoking Effects on Lungs -
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Chemicals contained in cigarettes cause a loss of appetite too

Swedes are so fond of their snus, a distant cousin of dipping tobacco in the United States, that they demanded an exemption to the EUs ban on smokeless tobacco when they joined the bloc in 1995
Kopecky J, Hodny Z, Rossmeisl M, Syrovy I, Kozak LP (1996)

Cunard Line Cunard ships allow smoking, but only in dedicated areas

doi: 10.1136/bmj.1.6017.1043