It is: Any exposure to cigarette smoke is causing damage to the lungs. The more the exposure the more damage there will be.
Answered 2/3/2017
5.7k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question