HOME >> BIOLOGY >> NEWS
Study confirms the risk of exposure to secondhand tobacco smoke outdoors

Tens of thousands of Americans die each year from secondhand tobacco smoke, according to a 2006 report by the U.S. Surgeon General. While the health risks associated with indoor secondhand smoke are well documented, little research has been done on exposure to toxic tobacco fumes outdoors.

Now, Stanford University researchers have conducted the first in-depth study on how smoking affects air quality at sidewalk cafs, park benches and other outdoor locations. Writing in the May issue of the Journal of the Air and Waste Management Association (JAWMA), the Stanford team concluded that a non-smoker sitting a few feet downwind from a smoldering cigarette is likely to be exposed to substantial levels of contaminated air for brief periods of time.

"Some folks have expressed the opinion that exposure to outdoor tobacco smoke is insignificant, because it dissipates quickly into the air," said Neil Klepeis, assistant professor (consulting) of civil and environmental engineering at Stanford and lead author of the study. "But our findings show that a person sitting or standing next to a smoker outdoors can breathe in wisps of smoke that are many times more concentrated than normal background air pollution levels."

Klepeis pointed to the 2006 Surgeon General's report, which found that even brief exposures to secondhand smoke may have adverse effects on the heart and respiratory systems and increase the severity of asthma attacks, especially in children.

"We were surprised to discover that being within a few feet of a smoker outdoors may expose you to air pollution levels that are comparable, on average, to indoor levels that we measured in previous studies of homes and taverns," said Wayne Ott, professor (consulting) of civil and environmental engineering at Stanford and co-author of the JAWMA study. "For example, if you're at a sidewalk caf, and you sit within 18 inches of a person who smokes two cigarettes over the course of an hour,
'"/>

Contact: Mark Shwartz
mshwartz@stanford.edu
650-723-9296
Stanford University
2-May-2007


Page: 1 2 3 4

Related biology news :

1. Study begins to reveal clues to the cause and progression of sepsis
2. Study finds gender differences in renal and other genes contributing to blood pressure
3. Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause
4. Study: Sticking to the sand might not be such good, clean fun for beachgoers
5. Study points to new way to predict death risk from torn aorta
6. Study identifies new gene therapy tools for inherited blindness
7. Study finds contaminated water reaching Floridas offshore keys
8. Study sheds light on why humans walk on two legs
9. Study explains how pathogens evolve to escape detection
10. Study finds hereditary link to premenstrual depression
11. Study identifies energy efficiency as reason for evolution of upright walking

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:2/2/2019)... , ... January 31, 2019 ... ... research organization headquartered in Morrisville, NC, providing full, customizable clinical research services ... Inc. to support educational programs for early stage life science entrepreneurs in ...
(Date:1/25/2019)... ... 24, 2019 , ... Review methodology could negatively impact elderly, ... to grapple with prescription drug costs, a new Pioneer Institute study ... before deciding whether to contract with the Institute for Clinical and Economic Review ...
(Date:1/20/2019)... ... January 16, 2019 , ... January has been a record-breaking month ... Not only has the company already hosted several of its signature cooking classes and ... and Janssen Pharmaceuticals, later this month. , Since 2008, Lajollacooks4u’s team-building events have ...
Breaking Biology News(10 mins):
(Date:1/30/2019)... ... January 30, 2019 , ... In 2016, ... 5StarWines to promote and give recognition to producers whose work focuses entirely on ... takes place in Verona, Italy, contemporaneously to the 5StarWines blind tasting organized from ...
(Date:1/24/2019)... ... 2019 , ... Controlled Contamination Services is pleased to announce three exciting new ... valuable new team members will support its growing operation across the US and will ... its business. This addition will enable CCS to widen its reach and provide enterprise ...
(Date:1/24/2019)... ... January 22, 2019 , ... Outsourcing ... its own set of assumptions, and RFP creation and management generally requires manual ... like comparing apples to oranges. These challenges can ultimately lead to study start ...
(Date:1/21/2019)... ... January 21, 2019 , ... Microbial Discovery ... for the industrial and institutional cleaning market. MDG’s SporActiv liquid and powder product ... needs. Applications include odor control, floor and tile cleaners, carpets, drains, portable restroom ...
Breaking Biology Technology:
Cached News: