[mjblack]

Its not the type of food really thats the problem, it's processed foods and "low fat" diets.

Processed carbs are easily digest and throw up your blood sugar levels. Insulin is released to counter this, which converts it into body fat. Raw "veggies" are better than smoothies because typically sugar is thrown in with it. Eating an apple is much healthier for you then drinking concentrated apple juice.

The "low fat" diets are also a problem because to substitute the fat they add carbs, usually processed carbs. Keto diets limit the carb intake to about 80g per day and typically people on that diet feel more energy because the body is burning fat for fuel but importantly they are not in energy saving mode.