I smoke two packs of cigarettes a day and I want to quit. How can I do that without going to detoxification?

Can you answer Kino Yuki’s question about Addiction?:

I’ve been smoking for two years. I have a light form of asthma and I want to quit smoking because I feel worse and worse, but I just can’t shake off the addiction. I really need help here.

Prescription Pain Killer Addiction