Behind Japan's record-high gold medal rush in the Tokyo Olympics, some of its athletes have been struggling with online bashing, prompting sports experts to call for strong measures to protect the Olympians' mental health.Daiki Hashimoto, who won gold in the men's all-around final in gymnastics, is one of the latest examples in which his victory has been clouded by hateful messages online. He was criticized for receiving an unfairly high score for his performance."A gold medal which is stolen from the other country, the Olympic spirit is a (expletive)!!!!!" one Twitter user wrote.Hashimoto …READ FULL ARTICLE