by Elana Gotkine Gastroesophageal reflux disease (GERD) causally and positively influences rheumatoid arthritis (RA), but RA has no significant influence on GERD, according to a study published online Dec. 13 in Frontiers in Genetics. Haifan Wang, from The Second Affiliated Hospital of Xi’an Jiaotong University in China, and colleagues examined the bidirectional causal effects between...
