Infact there are so many health concerns about smoking. Many strange diseases are emerging more and again, and are related to the practice.
I think there are lot of benefits. And people can learn plenty of things. You can see that new people smoking needs to understand this. Once you get used to that it's harder to get out. So be very careful what you smoke.
If we talk about health, we all know that there is no positive effect of smoking but I do believe that it helped a lot of people to reduce stress and forget about their problems in life.
I've never come across any benefits of smoking unless you are talking of smoking marijuana. There is a ton benefits associated with weed. cigars, no so much.