7The experiment
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Amanda held a pumping tube into the lungs to clearly show how exactly they functioned and how they are different. Oxygen was pumped into both these lungs but the cancerous one doesn’t stay inflated for a long. The smoker’s lung has no elasticity and it’s clear how it ceased o function properly.
8The discovery
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Researchers conducted 141 studies from 1946 to 2015 and discovered that man who smoke just one cigarette a day still had a 48 percent more chance of developing heart diseases than non-smokers.