e cigarettes are safe E-cigarettes contain hazardous substances, addictive and harmful E-Cigarettes (Vapes) | Smoking and

A 2015 study found that it makes people want to smoke more

And keep in mind whatever you buy may not actually list the true nicotine content it could be more or less

This lighter is 3.9"H x 1.8"W x .9"L

The entry of anti-smoking products and nicotine replacement therapies into adjacent duty free shelf space will also create indirect competitive pressure on traditional cigarette SKUs, challenging tobacco brands to actively defend and expand their duty free footprint through enhanced product offerings and operator partnerships

While smoking expired cigarettes is generally not recommended, it is unlikely to cause immediate harm or health risks