Cigarettes aren’t good for us. That’s hardly news — we’ve known about the dangers of smoking for decades. But how exactly do cigarettes harm us, and can our bodies recover if we stop? Krishna Sudhir details what happens when we smoke — and when we quit. Lesson by Krishna Sudhir, directed by TED-Ed.
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View full lesson: https://ed.ted.com/lessons/how-do-cig…
This is an educational video! I think it is necessary to show in schools.