Plant-based diets have become more than a trend; they are now a cornerstone of many health recommendations. Suboptimal diets, rich in processed meats and sugars, are known culprits behind the soaring rates of several illnesses. In contrast, diets abundant in vegetables, fruits, legumes, and whole grains offer a protective shield against these diseases. The shift towards vegetarian and vegan diets, driven by health, ethical, and environmental concerns, is gaining momentum globally. But how much of that is based on actual science? According to a new study — a lot of it. An umbrella review looked…