According to nutritionfacts.org, randomized controlled interventional trials have found that “dietary [bean] intake [does] significantly reduce…[bad] cholesterol levels,” dating back a half century to 1962.
https://nutritionfacts.org/video/benefits-of-beans-for-peripheral-vascular-disease/
USDA My Plate food guidance system lists beans as a good source of plant-based protein and meat alternative. (USDA Dietary Guidelines, 2020)
https://beaninstitute.com/nutrition-health/beans-nutrition-overview/