Over the years we have heard categorical statements of what food is beneficial and what is detrimental. Only problem is the beneficial and detrimental flip back

Over the years we have heard categorical statements of what food is beneficial and what is detrimental. Only problem is the beneficial and detrimental flip back and forth. I doubt any thing put forth after 50 years of really bad advice from the government, doctors, nutritionists, PBS fundraisers, and your crazy sister in law.