Scientists Grow More Hopeful About Ending a Global Organ Shortage

At an international conference, researchers at the forefront of animal-human transplantation compared notes and allowed themselves the first real optimism in decades.

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Is There Any Truth To the ‘Feed a Cold, Starve a Fever’ Adage?

We asked experts if the adage is true.

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Peanut Allergies Have Plummeted in Children, Study Shows

Doctors have long recommended that infants avoid peanuts. But in 2017, experts officially reversed that guidance, and food allergies decreased sharply.

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Scientists Perform First Pig-to-Human Lung Transplant

Researchers in China placed a lung from a genetically modified pig into a brain-dead man, with mixed results.

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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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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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