Chromium-6 from medical implants not harmful to health Chromium-6 from medical implants, such as hip or knee implants, does not result in severe health damage.
Regional differences in testing rates underestimate incidence of LGV epidemic Until 2003, Lymphogranuloma venereum (LGV), an aggressive form of chlamydia, was considered to be a rare tropical disease, endemic to Africa, Asia and the Caribbean.