New Social Media in Health care series by Ashley Howland. Part 1 of 4: It seems 45% percent of health care organizations don’t allow access to social media (Facebook, Twitter and YouTube) in the workplace. In fact, hospital systems with some of the most robust social media programs still don’t allow their employees access (from work-issued equipment, that is).Why is this? That’s what we’re going to explore in this blog series. I’ll identify what I think are the top reasons for blocking social media in health care, but more importantly, I’ll give you some reasons to maybe reconsider that strategy.