do cigarettes increase focus Clean' Nicotine: Brain Hack or Hidden Risk? Smoking harms not just your

Both cigarettes and e-cigarettes contain nicotine, a highly addictive substance that makes it difficult for users to quit

Agust A, Hogg JC

I coughed frequently and had a lot of phlegm

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Even if some individuals see temporary androgen-related changes, that doesnt guarantee improved fertility, libido, or long-term hormonal resilience

It has also been reported as a minor side effect in several studies