Heads Up: Real News - Scholastic
Heads Up: Real News - Scholastic
Heads Up: Real News - Scholastic
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Coronary flow velocity reserve<br />
5.5<br />
5.0<br />
4.5<br />
4.0<br />
3.5<br />
3.0<br />
Nonsmokers<br />
Smokers<br />
SOURCES<br />
• U.S. Department of Health and Human Services,<br />
The Health Consequences of Involuntary<br />
Exposure to Tobacco Smoke: A Report of the<br />
Surgeon General, 2006, Chapter 2. Accessed at<br />
www.surgeongeneral.gov/library/<br />
secondhandsmoke/report/chapter2.pdf.<br />
• U.S. Department of Health and Human Services,<br />
“Six Major Conclusions of the Surgeon General<br />
Report,” The Health Consequences of Involuntary<br />
Exposure to Tobacco Smoke: A Report of the<br />
Surgeon General, 2006. Accessed at<br />
www.surgeongeneral.gov/library/<br />
secondhandsmoke/factsheets/factsheet6.html.<br />
2.5<br />
Before<br />
Secondhand<br />
Smoke<br />
(involuntary<br />
smoking)<br />
After<br />
Secondhand<br />
Smoke<br />
(involuntary<br />
smoking)<br />
Blood Flow to the Heart Before and After<br />
30 Minutes of Secondhand Smoke Exposure<br />
Before exposure to secondhand smoke (involuntary<br />
smoking), nonsmokers (•) had significantly higher<br />
coronary flow (blood flow to the heart) compared with<br />
smokers ( ). Exposure to secondhand smoke<br />
significantly reduced the coronary flow in nonsmokers.<br />
The smokers’ levels did not change significantly.<br />
Adapted from U.S. Department of Health and Human Services, The Health Consequences of<br />
Involuntary Exposure to Tobacco Smoke: A Report of the Surgeon General, 2006, Chapter 2,<br />
p. 57. www.surgeongeneral.gov/library/secondhandsmoke/report/chapter2.pdf.<br />
FROM SCHOLASTIC AND THE SCIENTISTS OF THE NATIONAL INSTITUTE ON DRUG ABUSE, NATIONAL INSTITUTES OF HEALTH, U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES<br />
13