TGFB1 and diabetes mellitus: Phytochemicals, including quercetin [115,116], curcumin/turmeric [117], and the polyphenol rosmarinic acid found in many herbs like rosemary, thyme, and peppermint, mitigate the overactivation of TGF-β and ERK signaling in diabetes and related diabetic nephropathy and fibrosis [118].