(Reuters) -The EU's drug watchdog will request more data from makers of a class of diabetes and weight-loss drugs including Novo Nordisk's popular therapies Ozempic and Wegovy to further investigate suicidal thoughts in some patients taking them. "While at this point no conclusion can be drawn on a causal association, there are several issues that still need to be clarified," the European Medicines Agency (EMA) said in a statement on Friday, making it the first major global regulator to provided an update on such reviews. EMA's Pharmacovigilance Risk Assessment Commi...