Welch MG, Welch-Horan TB, Anwar M, Anwar N, Ludwig RJ, Ruggiero DA. Brain effects of chronic IBD in areas abnormal in autism and treatment by single neuropeptides secretin and oxytocin.
Despite the fact that these drugs have been on the market for more than two decades, like any class of drugs that are prescribed for chronic use, their effects over decades of use are unknown.