The next day, Qi Yun was brushing his teeth in the bathroom when he saw the intelligence content in front of him, and his hand holding the toothbrush stopped abruptly.
"Camel caravan?"
"Toxara Kingdom?"
"Qingnang Book! Such a familiar name!"
He could no longer worry about brushing his teeth and immediately pulled out his phone from his pocket to start searching for information.
The Qingnang Book was written by Hua Tuo, a famous doctor in China's history. It is said that some pharmacological and clinical knowledge recorded in the book still hasn't reached that level, even in today's technologically advanced age.
According to online rumors, Cao Cao suffered from a strange illness, often had splitting headaches, and thus asked Hua Tuo to treat him.
At that time, Hua Tuo diagnosed that Cao Cao's headaches were caused by winds and phlegm growing in his head. To cure this illness, a craniotomy was needed to remove the winds and phlegm.
