The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Maybe you know you snore like a bear, but you don’t feel much urgency to look into it. Or maybe you have been told to wear a continuous positive airway pressure, or CPAP, machine for sleep apnea, but ...

The data highlights how obstructive sleep apnea affects brain health and implies that it may increase the risk for greater problems like dementia and stroke. A recent study published in JAMA Network ...

CT perfusion and angiography failed to meet sensitivity and specificity thresholds to determine brain death. Neither should be used as standalone tests to establish death by neurologic criteria, the ...