How does ear candling work to remove earwax and improve ear health?

Ear candling is a practice where a hollow candle is inserted into the ear and lit on the other end. Proponents claim that the heat creates a vacuum that draws out earwax and impurities. However, there is no scientific evidence to support these claims, and ear candling can actually be dangerous and ineffective. It is not recommended by medical professionals for removing earwax or improving ear health.