Skin Health Care

U.S. scientists have found that cigarette smoke not only accelerates the aging of the skin in areas that receive sunlight but also those who are hidden from the sun’s rays, a study published today in the journal Archives of Dermatology.

The investigation found that cigarette smoke was a factor that increased the skin lesions in areas like the inside top or bottom of the buttocks.

Until now it was known that the smoke was combined with the sun to cause premature wrinkling of the skin, but the study conducted by scientists at the Health System at the University of Michigan, adds a new dimension to the link between smoking and the damage to the skin, the scientists said.

“We examined skin protected from sunlight and discovered that the number of cigarettes smoked per day and the number of years the person smoked was related to the level of skin lesions,” said Yolanda R. Helfrich, study author and professor of dermatology at the School of Medicine of the university.

The researchers reached this conclusion after developing a nine-point scale to measure the degree of aging of the inner area of the skin from the arms of 77 participants.

The scientists looked at the photographs and assigned grades in which zero represented no wrinkling and eight represented severe fine wrinkling.

They also reviewed photographs of the participants a year later and assigned grades to determine the level of increase in injuries.

Also gathered information on participants in interviews, including age, ethnicity, smoking history, use of nonsteroidal anti-inflammatory drugs, use of dietary supplements and herbs, exposure to sunlight, in the case of the number of children women, hormone treatments and contraceptives.

The people who participated in the study were smokers or had been by an average of 24 years.

In general, participants over 45 years, the degree of skin aging was significantly higher among smokers than among nonsmokers.

In the age group 45-65 years, smokers had an average score of more than two, while nonsmokers had an average of less than one.

In the over 65 years, smokers had an average score of six, while nonsmokers had an average of four, the scientists said

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