The video distiguishes between "inside the lungs" and "inside the body". It claims that there is more damage done inside the rest of body than inside the lungs.

The video distiguishes between "inside the lungs" and "inside the body". It claims that there is more damage done inside the rest of body than inside the lungs. At the end of the video it becomes clear that this may happen only in certain cases. Watch the video and you will understand.