How does asbestos cause cancer? Isn’t it just a rock? Why does it cause cancer but not sheetrock or fiberglass?
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Asbestos fibers are really really really tiny. And really really really sharp. So tiny and sharp that you can inhale them deep into your lungs where they get stuck and poke your lungs until the damage builds up and, often, leads to cancer.
Sheetrock and fiberglass both don’t throw such tiny sharp splinters.
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