The best layman's source I have found for health news is the Nutrition Action newsletter. They don't take advertising, they translate (fairly accurately) medical research into layman's terms, they give you a clue as to how to act on it and they DO follow up on subsequent studies that the mass media ignores. The subscription is also very affordable (~$25USD I believe).
Edit: I think one of the reasons that their health reporting is more accurate is that they use either subject matter experts or writers that at least have a science background rather than just an interest in science. It doesn't keep them from getting anything wrong, but it definitely cuts the errors down considerably.
Some trick to recognize good articles are:
* It's five year old (preferably 10), and has been reproduced with consistent result an extended by others independent research groups.
* Have a preregister trial, with a randomized control group, and it is double blind. (A I missing something?)