Neuroscience

Neural pathway key to sensation of pleasant touch identified

Studying mice, scientists at Washington University School of Medicine in St. Louis have identified a neural circuit and a neuropeptide—a chemical messenger that carries signals between nerve cells—that transmit the sensation ...

Cardiology

Flipping a molecular switch for heart fibrosis

A healthy heart is a pliable, ever-moving organ. But under stress—from injury, cardiovascular disease, or aging—the heart thickens and stiffens in a process known as fibrosis, which involves diffuse scar-like tissue. ...

Health

Q&A: Children's sleep habits

DEAR MAYO CLINIC: I have noticed behavioral changes and academic performance issues in my child since he returned to school in person after the holiday break. Because of COVID-19, he had been attending school virtually. As ...

Pediatrics

New US dietary guidelines: No candy, cake for kids under 2

Parents now have an extra reason to say no to candy, cake and ice cream for young children. The first U.S. government dietary guidelines for infants and toddlers, released Tuesday, recommend feeding only breast milk for at ...

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