Serious side effects may include increased risk of suicidal thoughts, hepatic dysfunction, and decreased seizure threshold
Sharma E and others
If the TSA finds a prohibited item in your checked luggage, they will remove it, which can cause inconvenience
In 2011 and 2013, an FDA advisory committee reported that menthols arent any more toxic than other cigarettes, but suggested the minty flavoring mitigates the harshness of smoke and the irritation from nicotine, an effect that may increase the likelihood of nicotine addiction and make it harder than other cigarettes to quit
Not to mention, you like what you like, and you know what you like and dislike
The cigarette book: the history and culture of smoking (2010) online Heimann, Robert K