The 21st Century Cures Act allows clinicians to block notes in certain circumstances — for example if there’s a chance that the patient could become suicidal or homicidal after reading it.

Austrian psychoanalyst Prof. Sigmund Freud and his dog "Jofi" in his office in Vienna, Austria, in 1937. (AP) If you've ever met with a therapist, you may have wondered what he or she is writing ...