Author: Yudai Kaneda 12 January 2022 Introduction: In recent years, there has been growing interest from around the world in reducing health disparities, partly due to the policy goal of 2009 WHO General Assembly resolution to reduce health disparities. According to the US Health Resources and Services Administration, the official definition of health disparities is "population-specific differences in disease, health status, and access to health care."(Health Resources & Serv

Author: Masaharu Tsubokura M.D., PhD. Editor: Yudai Kaneda 309 Radiation Levels levels in Japan are Lower lower than the World world Averageaverage December 19, 2020 We are surrounded by a variety of the natural radioactive substances , from whichthat we are exposed us to a certain amount of radiation on a daily basis. We have introduced several examples of natural radioactive substances. These include potassium-40, which is an essential mineral for life; radioactive radon,

Author: Masaharu Tsubokura M.D., PhD. Editor: Yudai Kaneda 307 Radioactive radon is found in the atmosphere. December 5, 2020 We are surrounded by a variety of natural radioactive substances, from which we are exposed to a certain amount of radiation on a daily basis. We have introduced potassium-40, which is found in certain amounts in our bodies; tritium (hydrogen-3), which occurs naturally and is produced within nuclear power plants; and polonium-210, which is found in se