1. Health
You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

Sidestream Smoke


Updated March 29, 2013

Written or reviewed by a board-certified physician. See About.com's Medical Review Board.

Sidestream Smoke

Sidestream cigarette smoke

Photo © Stockxpert
Sidestream smoke describes the smoke coming off of the end a smoldering cigarette. When combined, sidestream smoke and mainstream smoke form secondhand smoke, also known as environmental tobacco smoke, or ETS.

See also:
Secondhand Smoke Facts

©2014 About.com. All rights reserved.

We comply with the HONcode standard
for trustworthy health
information: verify here.