Today’s case involves an example of where Federal Rule of Evidence 702 and Daubert bar expert medical opinion testimony on the issue of proof of causation under the gatekeeper analysis.The question put to the 7th U.S. Circuit Court of Appeals involved whether the drug Testim caused the plaintiff’s deep vein thrombosis and whether the plaintiff’s doctor’s opinion that it did was proof of causation under the facts of the plaintiff’s use of the drug.In Owens v. Auxilium Pharmaceuticals Inc., 2018 …