1) Publish whenever there is a single study.
2) Be overly dramatic in either direction.
What we need is for a Bayesian-oriented medical doctor to spend a bunch of time keeping up to date on the literature, especially meta-analysis of multiple randomized controlled trials and then give that information to us with appropriate context. Luckily, this exists:
A YouTube channel called Healthcare Triage: https://m.youtube.com/#/user/thehealthcaretriage
EDIT (thanks mmorris!) https://www.youtube.com/user/thehealthcaretriage
A psychiatry (among other things) blogger called Slate Star Codex: http://slatestarcodex.com/2014/06/16/things-that-sometimes-h...
The former depends on donations through Patreon: https://www.patreon.com/healthcaretriage?ty=h