As for the traditional Feng Shui Yixue spells and the like, this is not all superstition, right?

I’m sure it’s not superstition, but what you said comes from evil spirits and the devil’s interference and confusion in human beings.

Since you are in a medical school, you will definitely be able to find out about the American cardiologist Dr. Rollins in the cardiology department. He wrote a book titled Between Life and Death. You may wish to search for e-books and take a look, and you can get a glimpse of some things in the spiritual world. Given Dr. Rollins' status and reputation, he has no motive and no need to make up lies to deceive people.

Have you read the Bible? Do you know the medical knowledge involved? The Bible is not only the supreme classic of theology, but also contains a lot of medical knowledge. It was written in the Bible many years before humans knew it. Read it. Please be humble before God and ask for His guidance. You understand more about the mysteries of natural science. If you humble yourself and ask God to guide you, you will understand more about the secrets of nature created by God than those classmates who do not know God. May God help you, amen.