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Some diseases can be partially avoided or alleviated by exercise, but let's not pretend it is a panacea for all of life's ails. Medicine exists for a reason.
But seriously, I understand you're not suggesting that regular exercise will cure all conditions, just that it will help reduce prescriptions caused by a sedentary lifestyle.
While the views — Route 1, Sequoia and Yosemite National Parks, Bonneville Salt Flats, Lake Tahoe, and the cityscape of Manhattan — are spectacular, the roads are terrifying, the footpaths sometimes just stop, and none of the national park facilities had running water.
I'm not saying you can't keep fit in the USA, obviously it's possible, but between that and how much cheaper the fast food is than the vegetables in the supermarket (even the take out pizza was basically the same price as the supermarket pizza, not sure how), I have a lot of sympathy for people struggling with that.
I hope you didn't think I meant the river.
As for potable water… brought that with us in the car. As a random sight-seer I have no idea how to tell whether or not any given untreated surface water is safe. I don't mind lugging an extra few kilos of water while I walk, but same deal applies: I know multiple people that rules out.
This has been so widely reported and easily searched for using obvious keywords as to render your comment effectively a strawman.
https://www.propublica.org/article/doctors-prescribe-more-of...
https://www.statnews.com/2020/12/04/drug-companies-payments-...
Sometimes, but not always. I know at least a couple type 2 diabetics who aren't overweight, eat generally healthy diets, and get regular exercise - but still require medication to control their blood sugar. And that's leaving aside the very real difficulties most people have in making the lifestyle changes necessary to affect the disease.
> 60% of patients enrolled one year attained an HbA1c below 6.5% without the use of diabetes medications other than metformin.
60% reversal without medication except for the major frontline medication for type 2 diabetes doesn't make it sound like a miracle cure, tbh. And it's still has the "major lifestyle changes that are typically hard for people" problem.
No one claimed that the treatment protocol is a miracle cure, so you're arguing against a strawman. But the results show that it does work well for many patients. They literally did make those major lifestyle changes, with support from their healthcare providers.
If you know a type-2 diabetic then I would at least point this out as an option. Some of them might choose to pursue it as an alternative to permanent dependence on exogenous insulin which doesn't even address the root cause of the condition.