Medical research

Unique binding of delta variant may explain high transmissibility

Unlike other SARS-CoV-2 variants, the delta variant can attach to copies of itself, forming larger aggregations, or clumps, of viral particles, suggests a study by scientists at the National Institutes of Health. The researchers ...

Surgery

Virus found in pig heart used in human transplant

Researchers trying to learn what killed the first person to receive a heart transplant from a pig have discovered the organ harbored an animal virus but cannot yet say if it played any role in the man's death.

Genetics

Study offers new insights on gene activity and addiction

Researchers at North Carolina State University have demonstrated that neuron-like cells derived from human stem cells can serve as a model for studying changes in the nervous system associated with addiction. The work sheds ...

Health

Why it's hard to maintain weight loss

About 70% of U.S. adults are trying to lose weight. However, as a result of evolutionary pressures dating back to our most distant ancestors, our bodies are programmed to resist weight loss.

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