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Researchers looked at whether load, and more specifically body mass index ( BMI , a ratio of weight to tallness), had any bearing on the onset of the common skin condition among teens.
Teens' responses to questionnaires focusing on acne information and weight suggested an association among girls but not boys.
The reasons behind the associate aren't clear, one expert said.
Overweight girls "may identify their acne as being worse than it actually is, possibly due to self-image issues," said Dr. Robert Kirsner, a professor and transgression chairman in the department of dermatology and cutaneous surgery at the University of Miami's Miller Circle of Medicine.
On the other hand, biology could play a role, said Kirsner, who was not twisted with the study but is familiar with its findings.
"It is possible, but not yet known, that in girls, but not boys, exorbitant androgens caused by obesity has a greater additive effect on acne," he said. "It may be also admissible that the psychological effect of being overweight in girls is greater than boys and thus leads to a more unambiguous increase in stress hormones in girls, with acne as a consequence.
Source: USA TODAY