Teen girls who smoke are at greater obesity risk

December 12th, 2008 - 2:46 pm ICT by ANI  

University of Massachusetts

Washington, Dec 12 (ANI): Teenage girls who smoke are more likely to become obese as adults, says a new study.

Finnish researchers suggest that teenage girls who smoke 10 cigarettes per day or more are at greatest risk, particularly for abdominal obesity. Their waist sizes are 1.34 inches larger than nonsmokers waists are as young adults.

During the study, the researchers followed twins born between 1975 and 1979. They collected more data on the 2,278 women and 2,018 men when the twins were in their 20s.

Lead study author Suoma Saarni, a researcher with the Department of Public Health in Helsinki said that the scientists looked at twins to take into account familial or genetic factors affecting smoking and weight gain.

Half of the participants had never smoked, and 12 percent were former smokers in adolescence. About 15.5 percent of men and 9.4 percent of women smoked at least 10 cigarettes daily.

By the time participants reached their 20s, weight problems became evident. By age 24, nearly 24 percent of men and 11 percent of women were overweight.

However, male smokers were not necessarily more prone to become overweight than nonsmokers.

The young women who smoked more than 10 cigarettes per day were 2.32 times more likely to become overweight than nonsmokers, according to the study.

Saarni said that the difference could be either biological or cultural. Biologically, it might be that tobacco and gender specific hormones interact differently in girls and boys in ways that affect appetite and fat distribution.

My hunch is that women are more likely to smoke for weight control, especially in adolescence, said Sherry Pagoto, assistant professor in clinical psychology at the University of Massachusetts Medical School.

When people do quit smoking, one of the reasons they gain weight is that they increase their consumption of foods. Theyll start snacking at the times they used to smoke, she added.

The study appears in the February 2009 issue of the American Journal of Public Health. (ANI)

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