求一篇关于“Smoking in public places must be banned”英语短文(100字左右)

There are how many smokers smoking in a bus or a theater ?I think the acounts must beyond our suppose. Once one smoking that means will have a group of people tored the prisonous frog. As we know，frog can spoil our body and cause the Cancer which incrediable. The relative public must take measures to forbidden the phenonymous of smoking in the public. If one man don't care of others' healthe , his bad personal habbit must be banned.

1. Should prohibit smoking in public places 2. Smoking in public what impacts 3. How to prohibit smoking in public places