Following the Fukushima Daiichi nuclear disaster,Busbyestablished an internet presence discussing the risks of ionizing radiation and a conspiracy theory involving Japanese Government's efforts to spread radioactive contamination throughout the country. He also marketed online, services and a mineral supplement he claimed mitigate the dangers of ingested radioisotopes.
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Gerry Thomas, professor of molecular pathology at the department of surgery and cancer at Imperial College, London, condemned the "anti-radiation" pills as useless and described the claims made by Busby as ludicrous.Ohtsura Niwa, professor at the Kyoto University Radiation Biology Center and CEO of BioMedics Japan, disagreed with Busby's contention that radiation is being deliberately spread throughout Japan. Niwa noted that the ownership of dosimeters in Japan is now widespread and if radioactive contamination was actively spread about, people would know. Niwa also agreed with Thomas, that mineral supplements cannot guard against strontium, uranium and plutonium radioisotopes. Similar mineral supplements are widely available in chemists in Tokyo, at 1/8th cost offered by Busby Laboratories.