How has the court properly excluded expert testimony in a personal injury case based on hearsay?

hearsay (People v. Baeske (1976) 58 Cal.App.3d 775, 780), the court properly excluded the proposed testimony insofar as it was offered to prove such facts. (Pollock, supra, 32 Cal.4th at pp. 1172-1173 [trial court properly excluded expert testimony reflecting defendant's hearsay statements to expert regarding defendant's drug use].)