Millions of patients continue to experience long COVID symptoms months after their initial infection. Plasma exchange is one approach some researchers are exploring. Here is what patients should understand before pursuing this or any advanced regenerative protocol.

Patients considering stem cell therapy often want one clear answer: how long will the results last? The honest answer depends on many factors. This guide breaks down what the evidence suggests, what influences durability, and how a physician-guided protocol can support longer-lasting outcomes.