The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Increased 24-Hour Energy Expenditure in Cigarette Smokers
Abstract
We studied the effect of smoking on energy expenditure in eight healthy cigarette smokers who spent 24 hours in a metabolic chamber on two occasions, once without smoking and once while smoking 24 cigarettes per day. Diet and physical exercise (30 minutes of treadmill walking) were standardized on both occasions. Physical activity in the chamber was measured by use of a radar system. Smoking caused an increase in total 24-hour energy expenditure (from a mean value [+/- SEM] of 2230 +/- 115 to 2445 +/- 120 kcal per 24 hours; P less than 0.001), although no changes were observed in physical activity or mean basal metabolic rate (1545 +/- 80 vs. 1570 +/- 70 kcal per 24 hours). During the smoking period, the mean diurnal urinary excretion of norepinephrine (+/- SEM) increased from 1.25 +/- 0.14 to 1.82 +/- 0.28 micrograms per hour (P less than 0.025), and mean nocturnal excretion increased from 0.73 +/- 0.07 to 0.91 +/- 0.08 micrograms per hour (P less than 0.001). These short-term observations demonstrate that cigarette smoking increases 24-hour energy expenditure by approximately 10 percent, and that this effect may be mediated in part by the sympathetic nervous system. The findings also indicate that energy expenditure can be expected to decrease when people stop smoking, thereby favoring the gain in body weight that often accompanies the cessation of smoking.
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Citations
Cites
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Cigarette Smoking, Nicotine, and Body Weight
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Descriptive epidemiology of physical activity energy expenditure in UK adults (The Fenland study)
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Associations between dietary intake of choline and betaine and lung cancer risk
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Metadata
- Authors
- Hofstetter, A., Schutz, Y., Jéquier, E., & Wahren, J.
- Venue
- New England Journal of Medicine
- Publisher
- Massachusetts Medical Society
- Published
- 1986-01-09
- Volume
- 314
- Issue
- 2
- Pages
- 79-82
- ISSN
- 0028-4793 (ISSN-L)
- 1533-4406
- OpenAlex
- W2313709757
- Cited by
- 375
- References
- 1
- FWCI
- 15.24
- Type
- journal article
- Language
- en
- Open access
- closed
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