Health & Fitness

A new study finds that an easily measurable brain wave shift of phase may be a universal marker of unconsciousness under general anesthesia.

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Why does the brain split visual spatial perception between its hemispheres? A new review by neuroscientists examines the advantages and trade-offs, and how the brain ultimately makes vision feel seamless.

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What makes people think an AI system is creative? New research shows that it depends on how much they see of the creative act. The findings have implications for how we research and design creative AI systems, and they also raise fundamental questions about how we perceive creativity in other people.

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New research has uncovered how lipid-rich fluid in the abdomen, known as ascites, plays a central role in weakening the body's immune response in advanced ovarian cancer. The findings offer new insights into immune suppression in ovarian cancer and open promising avenues for future immunotherapy approaches. Over 70% of patients with ovarian cancer are diagnosed at an advanced stage, often presenting with large volumes of ascites. This ascites fluid not only supports the spread of cancer throughout the abdominal cavity but also significantly impairs the body's immune defenses. Understanding how ascites affects the immune system is important for developing better treatments that use the immune system to fight cancer.

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A new study puts the spotlight on the rising burden of ischemic heart disease across Southeast Asia, East Asia and Oceania, and calls for localized, equity-focused interventions in these regions. The researchers identified region-specific, modifiable risk factors that influence the increasing prevalence of ischemic heart disease, such as toxic air pollution in East Asia and ultra-processed dietary dependence in Oceania.

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Your optimal amount of sleep may depend on where you live, new research has found. An analysis of sleep data and health outcomes for nearly 5,000 people in 20 countries revealed that the hours of sleep required for good health varies significantly across different cultures, challenging the common belief that everyone needs the same amount. The study was the first to investigate whether people from countries with shorter sleep durations suffer from worse health, and it found no evidence that this is so.

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Bacterial resistance negates the effect of antibiotics in the treatment of infection. Using mouse models, researchers now show that if antibiotics are administered with an enzyme called endolysin, the combined effect protects against infection by resistant bacteria in all bodily organs -- including the brain, which antibiotics alone have difficulty reaching.

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