Dependence is similar to alcohol, so quite a bit less than Tobacco. But it is a lot less harmful than those two because you either smoke it less than tobacco or

Dependence is similar to alcohol, so quite a bit less than Tobacco. But it is a lot less harmful than those two because you either smoke it less than tobacco or the damage is less severe than with alcohol. But smoke is nearly universally bad, it doesn't matter much if it is from someone who heats with wood in the neighborhood, an open fire nearby, smoking marijuana or tobacco. Luckily there are other ways than smoking to take the drug.