This article, shows that yogurt (plain and unsweetened) may reduce mortality in patients who already have had a myocardial infarction.
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To quote this article in bibliography:
Cruijsen, Esther, Maria G Jacobo Cejudo, Leanne K Küpers, Maria C Busstra, and Johanna M Geleijnse. “Dairy consumption and mortality after myocardial infarction: a prospective analysis in the Alpha Omega Cohort." The American Journal of Clinical Nutrition 0, (2021): 1-12. doi: https://doi.org/10.1093/ajcn/nqab026