LONDON - A new test that can detect the use of human growth hormone for up to 21 days has been endorsed by international anti-doping officials, moving a step closer to a potential breakthrough against ...

Anti-doping leaders still are trying to find a test to efficiently detect it. Law enforcement is making inroads into distribution networks but is struggling to find ways to prosecute people for using ...

This business of whether blood testing for human growth hormone should be implemented by Major League Baseball and the other professional sports leagues is "where science and society collide," Brown ...