There is so much information about health and wellness out there, it could be a full-time job in and of itself filtering it out. I group these websites in order of what you might be looking for.
Accountability and Tracking
Trying to follow these regularly can make you a bit crazy, it definitely helps to see what is coming out in the world of wellness, health and psychology that isn't from someone's dubious Facebook share.
I F*cking Love Science
Science Direct (exactly how it sounds, these are from the academic journals without being translated to how actually normal people talk. Be advised)