Each place should DECIDE FOR THEMSELVES. People who doen't want to smoke should not be telling the smokers in the bar up the road that they are not allowed to smoke.
What a stupid, stupid state of affairs but not at all out of character for this current generation of liberal-authoritarian legislators.

As as for the secondary lung cancer risk not a week goes by when there is not some absurd story in the news about how this increases your cancer risk or that reduces your cancer risk. I collect them, here they are, they are real news, items look them up:

Spicy foods can kill cancers
Housework cuts breast cancer risk
Olive oil 'can cut cancer risk'
Bacon link to bladder cancer risk
Firefighter cancer risk 'higher'
Eating bread 'raises cancer risk'
Cancer risk of 'fake' holy water
Mandarins 'cut liver cancer risk'
Richer areas 'child cancer risk'
Tea 'reduces ovarian cancer risk'
Cabbages 'cut lung cancer risks'
Why red hair ups skin cancer risk
Child cancer 'exhaust fume risk'
Baby size linked to cancer risk
Milk link to ovarian cancer risk
Late childbirth cuts cancer risk
Milk 'reduces bowel cancer risk'
Soya foods 'cut womb cancer risk'
Fizzy drinks 'boost cancer risk'
Salt raises 'stomach cancer risk'
Eating pizza 'cuts cancer risk'
Masturbation 'cuts cancer risk'
Miso soup 'cuts breast cancer risk'
Cancer risk in microwaved food
Ulcer surgery 'raises cancer risk'
Bread and crisps in cancer risk scare
Circumcision 'curbs cervical cancer risk'
No Breakfast key to cancer risk
Sunshine lowers prostate cancer risk
Lung cancer risk greater for women
Scots 'at greater skin cancer risk'
Extra fibre 'may increase cancer risk'
Infertile men 'at greater cancer risk'
Height linked to breast cancer risk
Drinking fluids cuts bladder cancer risk
Heart treatments cut cancer risk
Egg donors face cancer risk
Folic acid link to breast cancer
Antibiotics link to breast cancer
Abortion 'no breast cancer link'
Cancer 'delayed by good living'
Men with no sons more at risk for prostate cancer
Fathers with daughters at greater risk of prostate cancer