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A cancerous, 1 pack per day for 40 years lungs versus healthy lungs! 🫁 Still wanna smoke? Tag some smokers down below 🚭 A shocking comparison between healthy lungs and those of a heavy smoker. The video shows the black, cancer-ridden lungs of a heavy smoker failing to properly inflate. This is compared to the healthy, red-coloured lungs that are shown inflating and deflating as normal. In this video, it’s easy to tell which is which. The healthy lungs are pinky red and the those that went through a pack of cigarettes a day for 40 years look like a wreck, completely destroyed in a fire. Because these lungs are COPD, cancerous lungs, the elastance is gone, so they will stretch out but then the recoil of them just snaps right back. Elastance is the ability of lungs to rebound after inhalation. Reduced elastance means the lungs are stiff and have to work way harder to bring in sufficient air, leaving its possessor breathless. The healthy lung not only look, but work properly as well. Look at the cancerous lungs, damaged by almost 40 years of smoking a pack a day, and the striking difference is visible right away. Emphysema is another condition in which long-term smoking gradually damages and causes over-inflation of the alveoli, leading to shortness of breath due to reduced amount of lung tissue available for the transfer of oxygen from the air to the blood. The bright side is that many diseases caused by smoking are actually reversible!