Karolinska Institutet A bottle of lithium capsules. Credit: James Heilman, MD/Wikimedia Commons, CC BY-SA 4.0 Six predictors could help determine the amount of lithium needed to treat patients with bipolar disorder, according to a large study led by researchers at Karolinska Institutet in Sweden. The study, published in the journal The Lancet Psychiatry, also pinpoints genetic markers that...