What's the scoop on bone soup?

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Broths made from meat bones have been touted as foods that soothe arthritis, boost immune function, and smooth your skin. But the claims often exceed the evidence.

In the last couple of years, bone broths have become so popular they are being hailed as "the new coffee." While bone-broth shops aren't about to replace Starbucks outlets any time soon, some people are drinking mugs of the soup not just at noon, but also at break time throughout the day. Media coverage of the bone-broth phenomenon is filled with testimonials to the soups' purported health benefits—as bone builders, immune boosters, and even wrinkle removers. However, there is scant scientific evidence to support those claims.