The research study matches historic trends in cannabis use and publicity from a national populace study against estimates of new occurrences of schizophrenia in three English cities . The experts assess what might eventually schizophrenia cases if we believe a causal hyperlink between cannabis use and onset of psychotic symptoms, a link broadly recognised by some psychiatrists and experts and considered lately by the Advisory Council on the Misuse of Medicines. Related StoriesNovel research device identifies link between adverse symptoms of schizophrenia and adverse clinical outcomesNew study compares effectiveness of clozapine with standard antipsychotics in adults with schizophreniaPhase III trial results present cariprazine effective in treating negative symptoms associated with schizophreniaExposure to cannabis grew fourfold over the thirty years to 2002, and its use among under-18s by 18-fold, state the researchers.Here are the obstacles ahead this year .75 trillion health-care system. A survivor of bare-knuckle political fights, a U.S. Supreme Courtroom concern and a disastrous rollout technologically, regulations now faces a simple test: Can its mix of authorities subsidies and market-based competition extend health insurance to millions of people whose medical conditions, income level or personal choice left them without it? . More than 2.1 million people have signed up through the state and federal exchanges, and Obama administration officials acknowledged that a few of them might not actually have their new health strategy finalized Jan. 1, because of all the tech issues that plagued HealthCare.gov during the last three months . 1, approximately 2.1 million people have enrolled in a private health plan through new marketplaces made by the Affordable Care Act, the administration announced Tuesday.