“Internal fatigue” can lead to declining bodily functions and various health issues. However, since internal organs cannot be observed externally, it is difficult for individuals to know the current state of their organs. Therefore, Japanese doctors have introduced self-assessment methods for internal fatigue and simple breathing exercises to improve it.
Dr. Kotaro Nakata, an internal medicine physician and supervisor of the book “Recovering From Internal Fatigue (内臓疲労回復),” explained to Women’s Health magazine that “internal fatigue” refers to a signal that the organs are overloaded and need rest. It lacks a medical definition but generally manifests as disordered organ functions such as bloating and constipation caused by gastrointestinal problems and fatigue due to suboptimal organ function….