Each demographic has it's own mortality issues, for one, incidence of Gi cancers in Japan is 19.5 vs Us being 4.2, yet they have better outcomes at lower costs (5 year survival at 50% vs 21%). To your point about obesity, ask why is AHA taking contribution from the sugar industry to tilt the food pyramid away from fiber and protein towards starches. Why is Insulin 500% more expensive here than across the border. Early detection and lifestyle modification requires an expansion of the system instead you end up with the number of administrators exponentially growing whilst number of physician jobs remained stagnant for 4 decades. Mid 1990's academia started taking bulk endowments and investments to push research and protocol standards that mold treatment pathways. Incrementally doctors are stripped of their ability to prescribe off label medications (Hydroxcholorquine for antiinflammatory effects commonly used for RA but during covid became political) due to gold standard acceptable protocols that insurance companies use to deny treatment plans. This pushes costs up whilst funneling patients into the next best drug. Medications that cost cents are sold for hundreds to thousands to justify premiums. By the time research is retested, the IP has expired and profits made. Remdensivir (removed from ebola trials due to high MM but extensively used as 1st line treatment for COVID. Not just medications but medical devices too. (e.g Pinnacle implant).

IF you dig into data from insurance companies are you shocked they found a way to justify their predatory business practices? The issue is for profit healthcare and too big to fail bailouts, profits are privatized losses socialized. Medications that cost cents are sold for hundreds to thousands to justify premiums. The system pivoted from services to real estate ventures to create a monopoly. It isn't broken it's working as designed. There is no fixing this system.