章 440: Explaining the Origin

"It's not wrong for you to think that way." Su Yayan confirmed his answer. "A large portion of you are students from the Pharmaceutical faculty. You should know that most of the current medicines are made up of chemicals and biopharmaceuticals. As this student said, many of them are plants, but not all of them are plants."

"Let's take bezoar, for example. It is a stone that is formed in the gallbladder, bile duct, or liver of a cow, but they have the function of relaxing the mind, dissolving phlegm, improving the gallbladder, and suppressing anxiety. They also have a certain effect on seizures in young children, epilepsy, swollen throat, oral ulcers, and diarrhea.

Su Yayan's words caused another uproar.

"The stone from a cow's stomach is also Chinese medicine?"

"Shouldn't stones be formed from the impurities inside the stomach? How can we eat them? Won't we be poisoned?"