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sydbarrett74 | 6 months ago

Second- and third-hand smoke mimic contagion.

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_heimdall|6 months ago

That has nothing to do with contagion, that's just a sign that the impact of smoke inhalation isn't limited to the one sucking on a cigarette.

Contagion would mean that the smoke can infect the host, replicate, and spread to others. That's not how second hand smoking works.