They most definetely do. That's why a smokers' lung turns black because of the damage the cigars have done and the lung is caked in tar.
All good cigars will have tar.
Yes, all tobacco products contain nicotine. However, the amount can deteriorate depending on how long the cigars have aged.
Yes
Cigars contain tobacco, which is a legal drug.
Cigars contain a much higher percentage of tobacco. Due to cigars not being infested with harmful poisons and narcotics and they're size, there is more chance of a higher tobacco percentage than that of cigarettes.
no
The end is hot, it can burn. Tar can build up in your lungs, you can become addicted to cigars, the chemicals can cause damage.
Yes. All cigars made with tobacco contain nicotine.
Hell yeah!
cigars.
No, some cigars can be infused with different flavors, but they do not contain alcohol.
Yes, seeing as how they contain tobacco....
Biology is a lot more complicated than you seem to think it is.