Collocations for smoking - noun

chain, heavy
passive (BrE)
the dangers of passive smoking

teen (esp. AmE), teenage, underage
The campaign aims to reduce teen smoking.

cigar, cigarette, pipe, tobacco
cannabis (esp. BrE), marijuana (esp. AmE)

start, take up
give up (esp. BrE), quit (esp. AmE), stop
I'm trying to stop smoking.

cut down on (esp. BrE), reduce
The doctor advised me to cut down on smoking and alcohol.

ban
allow

habit
ban
A total smoking ban has been imposed throughout the building.

room

a ban on smoking
the dangers of smoking, the effects of smoking
a study of the harmful effects of smoking

no smoking
The company has a strict no-smoking policy.

smoking-related death
smoking-related disease, smoking-related illness (esp. BrE)