Torsten Berntsson quit smoking after contracting COPD.

When Torsten Berntsson was diagnosed with the lung disease COPD, he decided to quit smoking.

Now he has been smoke-free for six years.

- I have not been a bit addicted to smoke.

Lung capacity has improved, but it took time and now that I feel that someone is smoking, I think it smells bad, he says.

In the clip above, Torsten tells what helped him stay away from smoking.