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Five reasons to go vegan, according to science

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Five reasons to go vegan, according to science
Hmm, lovely cauliflower

This week marks the start of Veganuary. Despite the stereotypical litany of vegan-myths (think: under-nourished, long-haired, hippie lentil-lovers), veganism is steadily becoming one of the most popular diets around the world. Propagated by the clean eating brigade, it has a lengthy list of celebrity backers: Russell Brand, Ellen Degeneres, Natalie Portman and Samuel L. Jackson.

And then there's the ever-growing list of vegan athletes, including Serena Williams, Mike Tyson and former Mr Universe Barnabas du Plessis (a past PETA spokesperson), which should put paid to anyone with the phrase "but what about protein?" on their lips.

Intrigued? Here are six scientifically tested reasons to give veganism...

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