Research is exploring the role of epigenetic control of gene expression in developing new therapies for various diseases. Studies have linked epigenetic changes to conditions such as eye diseases, metabolic diseases, and antibiotic resistance, with some investigations focusing on the effects of factors like glucose metabolism and cigarette smoke. The field has advanced to the point where the first human trial of epigenetic reprogramming therapy has been cleared, although the specifics of these developments and their potential applications are still being studied.