US Sexually transmitted diseases (STD) like chlamydia, gonorrhea and syphilis are on the rise in US especially in teens according to the Center for Disease Control and Prevention (CDC).   "Chlamydia and gonorrhea are stable at unacceptably high levels and syphilis is resurgent after almost being eliminated," said John Douglas, director of the division of sexually transmitted diseases at the U.S. Centers for Disease Control and Prevention.  "We have among the highest rates of STDs... Full Story