Aortic stenosis is a narrowing of the aortic valve, which connects the heart to the rest of the body. It affects millions of people and can be fatal if left untreated. At present, there are no effective medical therapies ...
Dec 20, 2025
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Scientists have engineered a protein able to record the incoming chemical signals of brain cells (as opposed to just their outgoing signals). These whisper-quiet incoming messages are the release of the neurotransmitter glutamate, ...
Dec 23, 2025
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Working the night shift, frequently flying across time zones or keeping an irregular sleep schedule does more than just leave us exhausted; it can fuel the risk of aggressive breast cancer. Exactly how and why this happens ...
Dec 23, 2025
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Prescription stimulants, such as Ritalin and Adderall, are widely used to treat attention deficit hyperactivity disorder (ADHD), including in children. In the U.S., about 3.5 million children aged 3 to 17 take an ADHD medication, ...
14 hours ago
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One of the biggest measles outbreaks of the past two decades is taking place less than 200 miles from Atlanta.
Dec 22, 2025
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A stressful year leads to anxiety. Lasting isolation gives way to depression. An old trauma nags until it becomes paralyzing. Psychological and social experiences shape the brain, potentially leading to mental health issues. ...
Dec 19, 2025
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The secret to a healthier and "younger" heart lies in the vagus nerve. A recent study coordinated by the Sant'Anna School of Advanced Studies in Pisa and published in Science Translational Medicine has shown that preserving ...
11 hours ago
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People with mental health conditions face a significantly higher risk of physical injuries, according to a new University of Michigan study.
Dec 22, 2025
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Memories and learning processes are based on changes in the brain's neuronal connections, and as a result, in signal transmission between neurons.
Dec 23, 2025
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Australian researchers have discovered that the TAK1 gene helps cancer cells survive attack from the immune system, revealing a mechanism that may limit the effectiveness of immunotherapy treatments.
Dec 19, 2025
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