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Competing interests Neither author has any financial or other personal relationship with regard to the funding sources or any other stakeholders

A meta-analysis published in 2015 in the British Medical Journal analysed the genetic information of nearly 1,50,000 current, former, and non-smokers and found that a gene variant associated with heavy smoking can lead to an increase in waist circumference

Smoking carries significant health risks, and travelers interested in quitting should consult medical resources such as the CDC or WHO, especially given how prevalent tobacco use remains even among those flying on luxury celebrity private jets

This way, you're not leaving cigarette butts unattended or littering

It is often associated with addiction, relaxation, and stress reduction

The relationship between nicotine content and perceived mildness is direct