Citing Data Flaws, Researchers Question the Basis of Track’s New Testosterone Rules

By JERÉ LONGMAN from NYT Sports A new challenge has emerged to the I.A.A.F. rules that could require some runners to undergo medical treatment to lower their hormone levels.https://nyti.ms/2uuucbV

Caster Semenya Will Challenge Testosterone Rule in Court

By JERÉ LONGMAN from NYT Sports Semenya, a two-time Olympic champion, is attempting to block a rule that seeks to limit the permitted testosterone levels in female athletes in races over certain distances.https://nyti.ms/2I0uko7