In humans, chronic high blood pressure forces the heart to work too hard. The muscle of the left ventricle thickens in defense, a condition called hypertrophy. Eventually, this leads to fibrosis, ...
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How giraffes survive on less than two hours of sleep and still stay alert to predators in the wild
Giraffes are famous for their towering height, but this unique anatomy also shapes one of the strangest sleep patterns in the animal kingdom. Living on open grasslands with little shelter, giraffes ...
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