Following new USDA food pyramid would raise grocery bills by nearly one-third

[Aussie105]

9. The human palate still has that 'emergency' response.

High sugar, high fat foods taste the best and have the highest energy content, great in a famine.

Not too hard to train your taste buds to avoid those, but it has to start at an early age, if parents know or care.

Moderation is the key, but avoidance is better long term.

And this is from a 77 year old Type 2 diabetic, that used to not care what he ate in his youth.
125 Kg at my highest, now 90 Kg, just by changing my diet - and not eating after 6 pm.