I think health preservation is very good, but health preservation is also closely related to Chinese medicine. Different people have different physiques, and not all people are suitable for the same regimen. This thing is very professional. You don't have to eat radish in winter and ginger in summer, so you'd better see a doctor. I am cold and wet, and the doctor says to eat more spicy food. I noticed that apples were afraid to eat. Now everyone around me has caught a cold. I ate hot pot with three people who had a cold, and I was not infected.
If you are in good health and just want to stay healthy, just refer to the answer upstairs.