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The brain’s natural painkiller system can turn against the body
5+ day, 11+ hour ago (1143+ words) Switching off a cluster of cells in the mouse brainstem eased nerve pain, and restoring one receptor reversed months of hypersensitivity. The brain runs a painkiller of its own. At the base of the skull, a small cluster of cells…...
Cannabis linked to much earlier psychosis in older adults
3+ week, 3+ day ago (919+ words) A large analysis finds that cannabis users experienced psychosis 2.5 years earlier on average, with an even wider gap among older adults. Psychosis changes how a person understands reality. It can involve hearing or seeing things that others do not, holding…...