How do I read this if I dont use X. Muppet! It is advisable for all twitter users to check in at a mental health facility every now and then. Who uses "Mental

How do I read this if I dont use X. Muppet! It is advisable for all twitter users to check in at a mental health facility every now and then. Who uses "Mental Hospital"? What exactly is a "Mental Hospital"? I thought they closed mental hospitals and Asylums 200 years ago! Mental Hospitals somehow implies that the hospital has a mental health problem.