Mamoru Onizuka’s treatment method was considered one of the forbidden techniques in the Imperial Physician Scripture. It might be effective in treating patients, but it would also pose a great side effect to the user. This was also the reason why it was deemed as a forbidden technique in the Imperial Physician Scripture.

When Su Tao treated Kohei Koizumi’s cancer, he had used the Chaotic Yin-Yang Acupuncture Technique, and it was practically the same logic behind Mamoru Onizuka’s treatment methods. This was also the reason why he had spent a long time adjusting his body state. He might have a robust Qi, but he could only use such a forbidden technique a few times in his lifetime. Otherwise, he would be in a similar situation as Mamoru Onizuka.

From a physician’s point-of-view, there’s a limit to the energy in a human’s body.

For example, a boxer would have a strong physique due to their frequent training, but the moment they reach their middle age, it’s easy for them to suffer from Parkinson’s disease, a long-term degenerative disorder.

Parkinson's disease lies in the brain. The brain produces an organic chemical called...