WEDNESDAY, Oct. 30 (HealthDay News) -- A study comparing the
faces of identical twins confirms what many smokers fear -- the
habit does prematurely age a person's skin, taking a serious toll
on looks even after just five years.
Researchers from Case Western Reserve University in Ohio used
the annual Twins Day Festival in Twinsburg, Ohio, to identify 79
pairs of twins in which one sibling smoked and the other
The twins who were smokers showed many more signs of skin aging,
the researchers found. Their faces featured more wrinkles, creases,
droops and jowls.
"Smoking harms virtually every organ in the body, including your skin," said Danny McGoldrick, vice president for research at the Campaign for Tobacco-Free Kids. "Whether you are doing it for vanity or your health, one of the most important health decisions of your life is not to start smoking, or to quit if you have."
The research team attended the Twins Day Festival every year
between 2007 and 2010, eventually finding 79 pairs of twins to
compare. The twins filled out questionnaires regarding their
smoking and lifestyle, and professional photographers snapped
individual pictures of them both.
A panel of three plastic surgeons then analyzed the twin's
facial features, grading the amount of aging they saw in each
person's face using a standardized assessment tool. The researchers
used questionnaire results to control for other factors that might
prematurely age skin, including sun damage, alcohol use and work
Twins who smoke, when compared to their nonsmoking siblings, had
worse scores for baggy eyes, baggy cheeks, smile lines and wrinkles
along their upper and lower lips.
Researchers also compared the faces of twins who both smoke, but
one of the pair had been smoking for at least five years longer
than his or her sibling. They found more baggy eyes, baggy cheeks
and lower-lip wrinkles in twins who had been smoking longer.
The judges identified the smoking twin as appearing older in
photographs 57 percent of the time compared with the nonsmoking
twin, and the twin who had smoked for a longer period of time was
identified as older about 64 percent of the time.
The premature aging caused by smoking seemed to mainly affect
the lower two-thirds of a person's face, the authors said. There
were no apparent differences between smokers and nonsmokers when it
came to forehead wrinkles or crow's feet, for example.
The study was published in the November issue of the journal
Plastic and Reconstructive Surgery.
Smoking can affect a person's skin tone by robbing cells of
needed oxygen, said Dr. Cheryl Healton, president and CEO of the
anti-tobacco advocacy group Legacy.
"It's widely known that tobacco causes cardiac problems and disrupts oxygenation," Healton said. "Getting good oxygenation really affects a person's complexion."
Smoking also might cause wrinkles, folds and droops by damaging
connective fibers like collagen and elastin that help maintain skin
elasticity, the researchers added.
"A less taut skin envelope cannot counteract the effects of gravity," they said.
Healton said people should heed the findings as yet another
reason to quit smoking immediately. As the study found, even five
years can make a difference, she said.
"It's really bad to smoke, and it definitely affects your appearance," she said. "Not smoking is good for your looks."
For more on the health effects of smoking, visit the
Department of Health and Human Services.
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