Older people Have seen health benefits of eating yoghurt because of the good bacteria. The bacteria found in yoghurts at your local supermarket are good but not great as they dont have many strains of probitics usally 1 to 4. Special yoghurts are available that produce gcmaf these are alot https://www.gcmafproducts.com/store/p53/MAF_ONE_EASY_TO_PREPARE_NON_DAIRY_MAF_PROBIOTIC_DRINK_1_LTR.html