C100 Concealment

"Young Master Ding, if you don't believe me, you can go to the hospital for a full body check-up right now. You'll know if I said something wrong …"

Yun Long said directly to him.

It turned out that the reason Yun Long knew about this was because he had mastered a set of theories and knowledge about Chinese medicine and acupuncture in The Massage of Acupoints in Ancient China