Neuroscience

Retraining the brain for better vision

Hundreds of millions of people worldwide suffer from a vision condition called amblyopia, or lazy eye, with imbalanced vision in their two eyes. Unless this disabling condition is caught and treated at a young age, it's rare ...

Cardiology

Insomnia may be an early risk factor for irregular heart rhythm

Younger adults diagnosed with insomnia were more likely to develop a type of irregular heartbeat—and to do so earlier—than those without a history of insomnia, according to a large study of military veterans. The findings ...

Cardiology

Consumer health: When does a heart murmur need treatment?

Heart murmurs are sounds, such as whooshing or swishing, made by rapid, choppy blood flow through the heart. The sounds can be heard with a device called a stethoscope and are different from those of a normal heartbeat.

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