As a rule, vegetarians eat less fat than omnivores, and those who are wise keep non-meat animal products and high-fat vegetable foods to a minimum.
(vegetarians; eat; less fat than omnivores) (those; are; wise) (those who are wise; keep; non-meat animal products and high-fat vegetable foods; to a minimum)
vegetarians those those who are wise
eat are keep
less fat than omnivores
wise
non-meat animal products and high-fat vegetable foods to a minimum