Bars application of the rule of joint and several liability for the recovery of noneconomic damages, where the plaintiff was contributorily negligent or impliedly assumed the risk that caused the harm. The comprehensive 1996 tort reform law violated the doctrine of separation of powers and the one-subject provision of the State Constitution. State ex rel. Ohio Academy of Trial Lawyers v. Sheward, 715 N.E.2d 1062 (Ohio 1999).