I believe there has been decades of study around diabetes (limit sugar), cardiovascular disease, (limit sat fat), skin cancer (limit sun) and so on. Why is it h

I believe there has been decades of study around diabetes (limit sugar), cardiovascular disease, (limit sat fat), skin cancer (limit sun) and so on. Why is it hard to believe the incentives for simple subtractive prevention isn't there (e.g. limit tomatoes)? More likely the ailment isn't one of the top X deadly things yet.