Authors: Karim Moutchou Institution: Medical Student, Fez Faculty of Medicine and Pharmacy Juntendo university hospital From the 6th to 11th of August 2019, I participated in a surgical internship program at the department of urology at the Juntendo University in Tokyo. There, I had an opportunity to observe urological surgeries operated with the latest medical technologies in the world. Juntendo hospital was founded in 1838 and was the first Japanese hospital in history to a

Author: Masaharu Tsubokura Editors: Akihiko Ozaki M.D., Yuki Senoo 111 Community-based lifestyle modification A healthy lifestyle is crucial for maintaining health. It has been reported that the effects of obesity, smoking, and drinking on our bodies are comparable to being exposed to several hundred millisieverts of radiation. Besides, controlling body weight, blood pressure, cholesterol, and blood sugar levels is key to preventing lifestyle-related diseases. When it comes t

Author: Masaharu Tsubokura Editors: Akihiko Ozaki M.D., Yuki Senoo 109. A balanced lifestyle is important for maintaining health The extent of the exposure dose determines the impact of radiation on health, which means that you will not have cancer for sure even when you are exposed to radiation to some extent. When the total radiation exposure exceeds approximately 100 millisieverts, a larger amount of exposure leads to a higher risk of developing cancer. On the other hand,

Author: Masaharu Tsubokura Editors: Akihiko Ozaki M.D., Yuki Senoo 107. The reasons for 1 millisievert as the annual dose limit for the general public The extent of the exposure dose determines the impact of radiation on health. It has been shown that a high level of radiation exposure (exceeding 100 millisieverts) increases the risk of death from cancer. On the other hand, it remains unknown whether radiation exposure below 100 millisieverts contributes to death from cancer.