There is a bidirectional association between nonalcoholic fatty liver disease (NAFLD) and psoriasis, especially for patients younger than 40 years, according to a study published online Feb. 16 in Frontiers in Immunology. Shuo-Yan Gau, from Chung Shan Medical University in Taichung, Taiwan, and colleagues retrieved data from Taiwan’s National Health Insurance Research Database to examine the...