You're right, no one is being forced into a place that allows smoking.  That doesn't mean that people shouldn't have the right to purchase goods/services or work somewhere without the risk of bodily harm.   This is why there are such things as building codes, health inspectors, fire marshalls etc. 

Secondhand smoke creates a real risk.  It shouldn't be involuntarily imposed upon people simply because someone else is addicted and too inconsiderate to take their bad habit somewhere else. 

In the US there is no federal legislation on the subject.  There are only state/local laws and they're different everywhere you go.  But even in places where it's not law, most business still ban smoking because it's good business.   It also reduces their healthcare costs and insurance premiums.

It should be the business's decision, whoever owns the establishment and or business.

Same with regular cigarettes imo.

Many people won't go to places that have smoking. Many people go to bars that allow smoking. There's consequences either way.

They should have to smoke it with everyone else outside or in designated areas.

Anyway, i'm so glad public areas are smoke free by law in the UK. I hate the smell of it.

Why does others happiness bother you so much?

Yep.  I'm totally fine with that.

Yes, but in some cases, all it takes is a few days exposure to a carcinogen. The odds ARE lower, but all it takes is one carcinogenic particle to mutate a cell enough to wildly replicate while maintaining immunity against the body's foreign intruder defense mechanisms.

Putting it in the original sense stated is like saying you cannot win the lottery unless you've been buying lottery tickets for at least 20 years...

There have been cases of people winning the lottery on their first lottery ticket. The same is true in this sense.

@Screamapiller
Because their happiness comes as a detriment to my happiness. I don't want to walk around in a cloud of smoke not being able to breathe, ruining my expensive clothes, and slowly killing myself. Do you know realize how bad smoking is for you? Would you go up to a car and put your mouth on the exhaust pipe? As I previously stated in 20 years smoking will be rare. A pack of cigarettes will easily be over $10 a pack and probably up to $15 a pack. At this point since smoking is banned in all establishments I am not bothered by it anymore so I don't really care at this point.

That isn't smoking. Those are just water and Nicotine. You are allowed to use them in doors as they have no odor to them at all as the water vapor contains the nicotine in it and has no smell to it.

LOL. Funny part is you get all that just from breathing the air.I bet you dont walk around with a filter over your mouth though. Sorry but your excuse is just a talking point. Other things are just as bad as smoke and in the air you breath right now.

Truth is Tobacco is not as harmful as some people are being lead to believe.

People have been smoking it for thousands of years without issue.

It wasnt until recent methods of making cigs came into affect that the real issues started.

They use radioactive ferterlizer, add ingrediants like fermaldehyde and fire retardent.

Heck there isnt even real Tabacco in most cigs any more. The Tab is pulled and set in water and other chemicals to pull the nicotine out, then its sprayed on thin sheets of paper that are shredded and put in smokes.

Being in a room full of second-hand smoke is absolutely more harmful than just breathing air.  Science has already made this extremely clear.  If you are someone who doesn't believe in science, you should still find it obvious the moment you have trouble actually breathing. 

Tobacco by itself might not be that harmful, but tobacco is not smoked by itself.  That's not what this ridiculous controversy is about.  Is it? 

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Heart Disease

• For nonsmokers, breathing secondhand smoke has immediate harmful effects on the cardiovascular system that can increase the risk for heart attack. People who already have heart disease are at especially high risk.
• Nonsmokers who are exposed to secondhand smoke at home or work increase their heart disease risk by 25–30%.
• Secondhand smoke exposure causes an estimated 46,000 heart disease deaths annually among adult nonsmokers in the United States.

Lung Cancer

• Nonsmokers who are exposed to secondhand smoke at home or work increase their lung cancer risk by 20–30%.
• Secondhand smoke exposure causes an estimated 3,400 lung cancer deaths annually among adult nonsmokers in the United States.

There is no risk-free level of contact with secondhand smoke; even brief exposure can be harmful to health.

In children, secondhand smoke causes the following:

• Ear infections
• More frequent and severe asthma attacks
• Respiratory symptoms (e.g., coughing, sneezing, shortness of breath)
• Respiratory infections (i.e., bronchitis, pneumonia)
• A greater risk for sudden infant death syndrome (SIDS)

In children aged 18 months or younger, secondhand smoke exposure is responsible for—

• An estimated 150,000–300,000 new cases of bronchitis and pneumonia annually
• Approximately 7,500–15,000 hospitalizations annually in the United States

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Second-hand smoke directly affects the rights of people other than the smoker and is most certainly suitable for laws and ordinances.  I can't even believe there are still people asserting that public smoking shouldn't be regulated.  Subjecting others to these health risks simply to suit an addiction is beyond selfish.

If they can't show that E-cigs have any negative effects to people other than the smoker, then they should be allowed.  Smoking regular cigarettes in a public venue should never be allowed.