They also will gladly prescribe you statins for life without mentioning that losing your excess 30kg and walking every now and then would likely greatly improve your cholesterol issues (or even solve them) and improve your general health. You can apply this to pretty much any modern wide spread disease.

I think doctors don't even bother because they assume people already do as much as they're willing to do, the problem is that the interests of capitalism are diametrically opposed to your well being so most people start with quite a disadvantage, just look at supermarkets: the alcohol, candies, coke, cakes aisles are all bigger than the healthy food aisle, together they're like 80% of the building