Psoriasis results in flaky, scaly patches of skin which can be itchy or sore. Some people find it mildly bothersome, while extreme cases can be debilitating. We don’t know for sure what causes ...

ORLANDO, Fla. — Of the 12 biologics in four drug classes approved for treating psoriasis in the United States, interleukin 23 (IL-23) inhibitors might be exceptional, particularly if used early ...