Chinese Surgeons Perform First Pig-to-Human Liver Transplant

The transplanted portion of the genetically modified pig liver was removed after 38 days, and the patient, who had advanced liver cancer and cirrhosis, died several months later.

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Medical Groups Warn Against Visa Fees for Foreign Doctors

The United States depends heavily on physicians trained abroad. The Trump administration’s new fees may exacerbate personnel shortages, especially in underserved regions.

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Pregnant Women Should Not Use Cannabis, New Medical Guidelines Say

Marijuana during pregnancy is linked to poor birth outcomes and developmental delays in children, a leading medical society advised.

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Pig Organ Transplants May Pose a Dilemma for Some Jews and Muslims

The taboo against pork is deeply entrenched in both religious traditions. But the prohibition is not absolute.

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Federal Report on Drinking Is Withdrawn

The upcoming U.S. Dietary Guidelines will instead be influenced by a competing study, favored by industry, which found that moderate alcohol consumption was healthy.

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Reduced Screening May Have Led to Rise in Advanced Prostate Cancer Diagnoses

Changes in screening recommendations over a decade ago may have inadvertently resulted in later diagnosis of the most common cancer in men, a new study has found.

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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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Are Marathons and Other Extreme Running Linked to Colon Cancer?

A small, preliminary study found that marathoners were much more likely to have precancerous growths. Experts aren’t sure why.

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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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F.D.A. Panel to Reassess Hormone Therapy Warnings

Dr. Marty Makary, the agency’s commissioner, has said too many women avoid menopause treatments because the risks have been overstated.

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