yes, taking away the melatonin has similar results to taking away antidepressants. Why focus just on the melatonin?
Would not the logical conclusion be that BOTH and/or other drugs need to be looked at?
You are correct. There are many variables that must be accounted for.
I took many research design methodologies and stastical analysis courses at the university. Even taught classes in statistical analysis of research.
There is a lot of bad research that gets through peer reviewed journal publications.
That’s why replication of studies to verify the original findings is necessary.
Reading lessons are inexpensive and might help you gain enjoyment from life.