Like everything in the marijuana world, the herb’s impact on the lungs is a topic of hot debate. Smoking of any sort is often associated with lung damage. Recent cannabis research, however, is changing the game. While it was once a given that marijuana smoke had the same lung-damaging impact as tobacco, large-scale findings have failed to find a firm correlation. But, there still may be some long-term effects associated with some common smoking methods. The fourth segment of our Healthy Lungs series will go over potential effects of long-term smoking.