Anti-doping officials say scientists have endorsed a new test for human growth hormone that can detect use of the drug going back as far as 21 days and could be implemented in time for next year's London Olympics.
Scientists back improved HGH test
![Scientists back improved HGH test](/_next/image/?url=https%3A%2F%2Fcontent.olympics.com.au%2Fpublic%2Fstyles%2Flandscape_header_section%2Fs3%2F2019-06%2FDoping_centre_Beijing_Getty958_4D1B8C80-EF0A-11E4-A49F005056A37760.jpg.webp%3Fitok%3DM7uygWA4&w=1200&q=90)
Anti-doping officials say scientists have endorsed a new test for human growth hormone that can detect use of the drug going back as far as 21 days and could be implemented in time for next year's London Olympics.