By Dr. Brian McDonough, Medical Editor

PHILADELPHIA (CBS) – There is a disturbing report about an issue with teenagers that was not even on the radar a decade ago. Sexting is a word that combines sex and texting.

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Now a new study finds that teens who engage in sexting are more likely to be sexually active.

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According to leaders in the American Academy of Pediatrics, this is a very important warning that parents and physicians should take very seriously.

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Sexting is the act of texting graphic pictures or notes of a sexual nature. In addition to the obvious concerns about these messages having the potential for widespread distribution, the new information reinforces the importance of attempts to limit this behavior.