These drugs are increasingly used for bipolar disease and also for other mental illnesses, including some for which they have not been approved by the Food and Drug Administration.

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Abilify, from Otsuka and Bristol-Myers Squibb, passed Seroquel from Astra as the top-selling antipsychotic drug for disease like schizophrenia, bipolar disorder, and depression.

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The researchers, all 256 of them, looked at seven diseases: bipolar disorder, coronary-artery disease, Crohn's disease (an inflammation of the gut), hypertension, rheumatoid arthritis, type I diabetes (the sort that develops early in life) and type II diabetes (the sort that develops later).

ECONOMIST: Molecular medicine: Peekaboo | The

The other most popular sites by number of members cover arthritis, heart disease, sleep disorders, pulmonary disease, back pain, depression, GERD and bipolar disorder.

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It will focus on conditions including attention deficit hyperactivity disorder, autism, schizophrenia, bipolar disorder, depression, post-traumatic stress disorder, as well as Alzheimer's disease and other forms of dementia.

BBC: ?3m centre to research mental health illness in Wales