The Research by Ellen Henderson looked at the level of literacy needed for people to access accurate and reliable medical information on the web - they found that a reading level associated with a degree-level was needed. The abstract can be read here. That means the majority of patients can't access the right information online. Mis-information is very damaging, mentally and potentially physically too. It is all very well creating all these resources, but their target audience need to be able to access them!
(listen to the whole program here)