I used to worry about not eating grains, or soy, or processed foods, or fruits, or chemicals.Should I eat quinoa or steel-cut oats or amaranth or chia seeds or bulgur wheat or buckwheat?

I used to worry about not eating grains, or soy, or processed foods, or fruits, or chemicals. Should I eat quinoa or steel-cut oats or amaranth or chia seeds or bulgur wheat or buckwheat?