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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A 37,000-Year Chronicle of What Once Ailed Us

In a new genetic study, scientists have charted the rise of 214 human diseases across ancient Europe and Asia.

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A Common Assumption About Aging May Be Wrong, Study Suggests

Experts have long pointed to inflammation as a natural part of getting older. But a new paper suggests it might be more a product of our environment.

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Cutting-Edge Cancer Therapy Offers Hope for Patients With Lupus

Lupus can be debilitating and sometimes deadly for the 3 million people who have it. A treatment called CAR T appears to stop it in its tracks.

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Used in Covid Shots, mRNA May Help Rid the Body of H.I.V.

A new study shows how the technology deployed in Covid vaccines helped scientists coax the virus out of hiding.

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Kennedy Issues Demands for Vaccine Approvals that Could Affect Fall Covid Boosters

The agency suggested that clinical trials in humans may be required for updated Covid shots, raising questions about whether they will be available in the fall.

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Immunotherapy Drug Spares Cancer Patients From Grisly Surgeries and Harsh Therapies

For a limited group of cancer patients who have solid tumors in the stomach, rectum, esophagus and other organs, an immunotherapy trial offered stunning results.

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They Caught the Flu, and Never Came Home

The virus leads to an estimated 36,000 deaths in the United States each season — many of them so sudden that families are left reeling.

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Drugs Have Uses We Can’t Imagine. He’s Using A.I. to Find Them.

Scientists are using machine learning to find new treatments among thousands of old medicines.

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Measles Can Damage the Immune System for Years

An infection can also leave children and adults with other long-term health problems.

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