Where does Medicines come from?

Today our whole class got a book to read and my one was about medicines there are many medicines that come from around the world like the papyrus the ancient scroll of medicine from ancient Egypt another thing is that medicine can come from the most venomous snakes like the inland taipan snake one of the most venomous and deadliest snakes in the world another interesting thing is that laughter is medicine they say that if you watch a funny program you will eventually stop being saw or having problems one more medicine is that you can get your medicine from plants many plants like plants that you could fin in the amazon or in you country