Whether you’re a smoker or non-smoker, we’ve all heard it all before: smoking is bad for you. But how bad can it really be?

In a recent Daily Mail investigative video, researchers are seen comparing the effects of a pig lung that has smoked 60 cigarettes to another pig lung that has never smoked before.

The findings are surprising to say the least, and after watching this video, Capital Lifestyle Magazine is sure that even the most stubborn smoker will have a slight change of heart.

Watch the video below.