Dr. Renee Walker: Second- and Third-Hand Smoke, Part 1

Dr. Renee Walker: Second- and Third-Hand Smoke, Part 1

Otolaryngologist Renee Walker explains what Environmental Tobacco Smoke is (also known as second- and third-hand smoke) and who is vulnerable to exposure.
Otolaryngologist Renee Walker explains what Environmental Tobacco Smoke is (also known as second- and third-hand smoke) and who is vulnerable to exposure.
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