Cardiology

Why heart rhythm problems tend to happen early in the morning

Many studies have shown that potentially lethal heart rhythm disturbances ('ventricular arrhythmia') are more likely to occur in the morning, when people wake after a night's sleep, but until now the trigger mechanism has ...

Neuroscience

New research explains how brain blood vessels are formed

Cardiovascular diseases, including myocardial infarction and stroke, are the world's leading cause of death, claiming around 18 million lives a year. This observation justifies the adage that you are only as old as your arteries ...

Health

Walk this way—it's quite good for you

Walking is sometimes equated with simplicity itself. If your task is a "walk in the park," it might require little more than baby steps to get things moving.

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