1.0 link 90977 <![CDATA[Study Finds 1 in 4 US Teens Has a STD]]> http://www.huffingtonpost.com/2008/03/11/study-finds-1-in-4-us-tee_n_90977.html CHICAGO &mdash; At least one in four teenage American girls has a sexually transmitted disease, suggests a first-of-its-kind federal study that startled some adolescent-health experts.

Some doctors said the numbers might be a reflection of both abstinence-only sex education and teens' own sense of invulnerabilty. Because some sexually transmitted infections can cause infertility and cancer, U.S. health officials called for better screening, vaccination and prevention.

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