Mercola is a funny one. I really enjoy about 85% of his articles, but vehemently disagree with the rest!
You also have to question the articles that are tied in with a product, but that is the same everywhere.
Don't let me put you off though, as he provides a serious amount of really great info.
Here is another one:
News Target - run by a chap called Mike Adams. I refer to this site almost on a daily basis.
Have a great day
Ross