The heat and humidity in Japan have become a major hurdle for athletes competing at the Tokyo Olympics, even though organizers stress they have taken sufficient steps to prevent such conditions from posing a health hazard to them.With endurance events like marathons and race walking coming up in the northern city of Sapporo, where the temperature recently reached 35 C for the first time since 2000, concerns have mounted over the impact of the scorching heat on the athletes' performance and health.Since the Olympics started July 23, the extreme heat in the capital, with the mercury climbing …READ FULL ARTICLE