Just follow the good ole Who, What, Why, Where and When. It will serve you well. First order of business in medical information is to first seek out its origin. Too much marketing of products mixed into the info. Was the research independent of industry? Was the "expert" paid to be the "expert?" Be critical at the getgo. Know who you are dealing with. Being a skeptic can be an asset when you are responsible for another person's health and well-being. No room for assumptions. Due diligence name of the game. Your critical thinking skills will just keep getting better and better.