I know that there is a push by some organizations to put some light on this, but can't remember the name. For example, there are never negative studies published.

Compounding the problem is that the popular press sees these "studies"/press releases and publishes them with headlines, "New studies show....."
For example, the conventional wisdom, for whatever that is worth (zero) is that caffeine is an aggrevating factor in dementia and Alzheimers. Yesterday I saw a headline, "studies show..." and it was the exact opposite.

I am no where near an expert, but have read a lot of studies through the years (retired dentist) to know how to read the lit. The average schmo has no frikkin idea and the "journalists" who report it are even worse.