It is the position of the American Dietetic Association that appropriately planned vegetarian diets, including total vegetarian or vegan diets, are healthful, nutritionally adequate, and may provide health benefits in the prevention and treatment of certain diseases. Well-planned vegetarian diets are appropriate for individuals during all stages of the life cycle, including pregnancy, lactation, infancy, childhood, and adolescence, and for athletes.
→ American Dietetic Association: Vegetarian diets
One should always be wary of talking of “the last remaining form of discrimination.” If we have learnt anything from the liberation movements, we should have learnt how difficult it is to be aware of latent prejudice in our attitudes to particular groups until this prejudice is forcefully pointed out.
→ Peter Singer: All animals are equal
You reviewed Rattling the Cage in the Yale Law Journal, and while you were critical of Wise’s argument that the law should recognize chimpanzees and other great apes as legal persons, your tone was respectful, and you took his argument seriously. That has encouraged me to attempt to persuade you that—for I am an ethicist, not a lawyer—there is a sound ethical case for changing the status of animals
→ Slate: Animal rights – Debate between Peter Singer & Richard Posner