Cases of Mosquito-Borne Chikungunya Virus Are Surging Globally: What to Know

Chikungunya, which can disable victims for years, is spreading rapidly, including in China and other places that have not seen it before.

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New Implant Offers Hope for Easing Rheumatoid Arthritis

The device stimulates the vagus nerve, signaling the body to tamp down the inflammation that contributes to the disease.

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