Critics say hospital price transparency proposal 'misses the mark' by Gregory Twachtman The proposal from CMS would require hospitals to make public both their list prices and the prices they negotiate with payers. Other top stories: AI technology meets AFib detection An AI-enabled ECG model suggests clinical implications for early identification of atrial fibrillation. Placental bacteria not linked to adverse pregnancy outcomes But the researchers found significant associations between delivery-associated vaginal bacteria and preeclampsia and preterm birth. Posttraumatic headache may be associated with reduced pain thresholds Symptoms of photophobia and allodynia are more severe in patients with posttraumatic headache, compared with healthy controls. Higher dietary vitamin A linked to lower SCC risk The results of the large prospective cohort study support "the protective role of vitamin A against squamous cell carcinoma development." You can contact the MDedge Daily Medical News by emailing us at firstname.lastname@example.org or following us on Twitter at @MDedgeTweets.