Complex sentence: Danshen has been shown to potentiate the effects of the common anticoagulation drug warfarin, leading to gross anticoagulation and bleeding complications.Therefore, danshen should be avoided by those using warfarin.
Split into simpler sentences: Danshen has been shown to potentiate the effects of the common anticoagulation drug warfarin, leading to gross anticoagulation and bleeding complications. Danshen should be avoided by those using warfarin.