does leonardo dicaprio smoke cigarettes in real life takes a break from biking with a few drags on his e- cigarette Leonardo DiCaprio's Bad Habit Is

First, tobacco naturally contains nicotine, an insecticide, which raises alertness, speeds reaction times, and stimulates the release of neurotransmitters such as dopamine, which are associated with pleasure

Some tobacco ads showed patriotic wives and mothers shipping cartons of cigarettes to their loved ones on the front

And to add insult to serious injury -- I've totally given up smoking, my favourite thing, and the truth is

They also used print, radio, and television ads to argue that they are positively healthful

The revelation was confirmed by Leo's co-star Johnny Depp, who said that he did not want his mother to know about his smoking