I.b.s More Condition_symptoms Why Do Some L I B S Wish To Ban The Following?

Why do some l i b s wish to ban the following? - i.b.s more condition_symptoms

Smoking
Alcohol
unrestricted access to fast food --

However, it seems to be:
Pot Legalization
Abortion
Legal drugs
Forced Conservation

They recommend that first, because their "right". However, arguing against the first point, because it is "bad". What are the rights of people drink, tobacco, alcohol and smoke choose to eat Micky D?