What Is a Vegan?

Sprouts in a salad
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A vegan is someone who abstains from eating and using animal products.

The primary motivation behind veganism is to reduce harm to all living creatures. It is "compassion in action," according to the American Vegan Society.

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Joseph Castro
Live Science Contributor
Joseph Bennington-Castro is a Hawaii-based contributing writer for Live Science and Space.com. He holds a master's degree in science journalism from New York University, and a bachelor's degree in physics from the University of Hawaii. His work covers all areas of science, from the quirky mating behaviors of different animals, to the drug and alcohol habits of ancient cultures, to new advances in solar cell technology. On a more personal note, Joseph has had a near-obsession with video games for as long as he can remember, and is probably playing a game at this very moment.