Honest question: Although food choices are affecting health & lifespan of the average American, is it affecting the HIG as well?. Is the health & longevity impa

Honest question: Although food choices are affecting health & lifespan of the average American, is it affecting the HIG as well?. Is the health & longevity impacted by generally available food options (not weighing in the effects of better health insurance & lifestyle comforts)? It would be extremely valuable to understand if there is still reasonable impact from the quality of food produce (as a byproduct of intensive cultivation & other agriculture practices in N America). Health issues and obesity issues are significantly worse in US as compared to other developed countries - and how much food is responsible in middle- and high-income group is worthwhile to understand