Vegetarian

A philosopher argues that if there are viable ways to reduce intentional harm to animals by eating them—and there are—then all vegetarians who subscribe to the “do-the-least-harm” principle should be obligated to make roadkill a part of their diet.

• By James McWilliams

If "cheat days" are built into diets, is it really cheating? It's time to ditch the term and all its dubious implications.

• By Katie Heaney

It largely depends upon where you live. Vegetarians in India and the West are both driven by ethical concerns, but the moral codes that drive their eating choices are very different.

• By Tom Jacobs