The best #starches for your health are legumes (white and kidney beans, lentils, chickpeas, broad beans), followed by basmati rice, root vegetables and quinoa in modest quantities.
Combining physical exercise with a Mediterranean diet seems to be a winning combination for maintaining a healthy weight, especially in the over-40s. https://www.mdpi.com/2072-6643/16/11/1777?mc_cid=92456239fe&mc_eid=3ba82330c2
Additives used in the food industry, but also in dishes served in hotels and restaurants, are suspected of altering #microbiota, and therefore intestinal permeability, mood, immunity and longevity.
Protein is the keystone of the human diet, and it is from protein intake that we can determine the remaining quantities of fats and sugars to be provided, not the other way around.
The 4 pillars of the ideal diet for longevity: rich in micronutrients (Mediterranean diet), no hyperinsulinism (lowcarb & Mediterranean), sufficient in good fats (keto & Mediterranean) and protein (lowcarb & paleo).