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#viral #smoke
Transcript
00:00When you inhale a cigarette, your airways get covered in a sticky black tar, making it hard to breathe.
00:06The chemicals kill the tiny hair-like structures inside that help clear out mucus and dirt.
00:12And without them, harmful substances build up, causing infections and coughing.
00:17Over time, the smoke scars your lung tissue, making them stiff and weak.
00:22And eventually, your lungs become too damaged to function, leaving you unable to breathe on your own.
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