Olympic runner Semenya loses fight over testosterone rules

Geneva • The sports world’s highest court ruled Wednesday that Olympic champion Caster Semenya and other female runners like her with unusually high testosterone must take medication to reduce their levels of the male sex hormone if they want to compete in certain events — a landmark decision with far-reaching ramifications for other women’s sports.In a 2-1 ruling, the Court of Arbitration for Sport upheld proposed rules issued by track's governing body, the IAAF, saying t