New Damages was held at the Diocesan Catholic Center, he participated as one of the symposiasts. Relationship with Soka Gakkai From August 8 to August 10, 2010, Soka University Peace Research Institute had a research study in Nagasaki, and Yamashita lectured the participants. On May 24, 2011, Yamashita was invited by the Komeito Party's election campaign office of Koriyama City, Fukuhsima Prefecture and lectured there. Activities after Fukushima Daiichi nuclear disaster After the Fukushima I nuclear accidents, Yamashita and Prof. Noboru Takamura were asked by Fukushima Prefecture governor Yuhei Sato, on March 19, 2011, to serve as radiation risk management advisers to the prefecture. The letter of appointment as special professor to the president at Fukushima Medical University was given on April 1 of the same year. As a radiation risk management adviser, Yamashita lectured on radiation mainly in Fukushima Prefecture. He claims that radiation exposure of 100 mSv/yr is safe. In an interview with the Fukushima Minyu Shimbun, a local newspaper of the prefecture, Yamashita said, ”When people are exposed to radiation doses of 100mSV or more at a time, the possibility of getting cancer increases one out of every ten-thousand people” and said of the radiation dose that “It is equivalent to the radiation dose of receiving 10 times of CT scan one time. But CT scan is necessary for medication, so CT scan itself is not bad”. On March 19, 2011, Yamashita visited the prefectural government's disaster headquarters and said, "Information about radiation risks has not been correctly communicated. Under the current levels, administering iodine pills is unnecessary." Meanwhile, as the president of the Japan Thyroid Association, Yamashita wrote a letter dated March 24, 2011 to its members that thyroid blockage was not necessary, citing the opinion of the Japanese Society of Nuclear Medicine. However, in the affected areas like Iitate, Soma and Minami-Soma, high radiation doses required people to take iodine pills for thyroid blockage by the standard of Japan (100mSV) and WTO (10mSV) was widely detected according to the SPEEDI map released to the public on March 24, 2011. In April, Yamashita become a member of the committee for disputes of nuclear liability by Ministry of Education, Culture, Sports, Science and Technology. In reaction to the lectures by Yamashita, the citizen group collected signatures for his dismissal from the position of advisor. Due to his optimistic statements on radiation exposure in a series of lectures,