JZ Young died on 4th July. Although 90 in March, and recently in poor health, he was still working. With long-time collaborators, he was preparing two books and two papers for publication. Three of these are on cephalopod brains and biology, the fourth on the autonomic nervous system of dogfish, an early interest to which he returned after his retirement in 1974. John Young (known as JZ to coll...

Complex regional pain syndrome (CRPS) is a progressive, chronic illness that is enigmatic because the mechanisms for its pathogenesis have yet to be determined. Syndromes synonymous with CRPS are reflex sympathetic dystrophy, reflex neurovascular dystrophy, causalgia, algoneurodystrophy, sympathetically maintained pain, clenched fist syndrome, and Sudek's syndrome. The diagnosis of CRPS is cate...