This is, of course, the right question to ask. The good thing is, we can still reasonably act on this data while we wait for more studies to disentangle the cau

This is, of course, the right question to ask. The good thing is, we can still reasonably act on this data while we wait for more studies to disentangle the cause/correlation relationship. Melatonin is well tolerated, and also produced endogenously, so the risk/reward on this treatment is in our favor.