A junctional escape rhythm is when the heartbeat starts in a different part of the heart than it should. This type of arrhythmia may not need treatment, but a doctor does need to investigate the ...

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Your circadian rhythm is a 24-hour internal clock managed by the suprachiasmatic nucleus in the brain, influencing sleep, hormones, and metabolism. Modern exposure to artificial light, especially blue ...

The Grateful Dead percussionist's lifelong pursuit of vibrations has led him to collaborate with everyone from Bob Dylan to Francis Ford Coppola. With a new documentary premiering tonight, he tells ...