I'm partial to the odd glass or two of red and champagne.
But when planning on getting pregnant, and during the whole pregnancy I didn't drink alcohol. My children's heath was way more important than my desire to imbibe. People coming to our house would smoke outside - including my parents. I didn't want my kids lungs to have to cope with any more toxins than they absolutely had to. I figured accumulation is a slow process and where I could, I tried to slow that accumulation down.
Mothers can be sued in the US for foetal alcohol syndrome - it will only be time before the first case is brought against parents for causing asthma or lung disease via 2nd hand smoking. And I can see why bar staff would say - don't want to work in the smoking room.
In Oz all Gov't buildings, cars, lifts etc have no smoking regs, and I think now all public buildings - including hotels, bars and discos have the same. Even to the extent of preventing Gov't workers who smoke from doing so within a certain distance of the entrances and exits.
Could take a while longer in China - although I have now been to a few restaurants where there are NO Smoking signs prominently psoted - and seeming obeyed!!