Share on PinterestCould a nasal spray help delay Alzheimer’s onset in the future? Image credit: Grace Cary/Getty Images. Population growth and aging mean that the number of people with dementia is forecast to reach almost 152.8 millionTrusted Source by 2050. There are several forms of dementia, but the most common, Alzheimer’s disease, currently accounts for up to 70%Trusted Source of...
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There’s bad news on the H5N1 front The genetic sequence of the bird flu virus that infected a teenager in British Columbia shows that the virus had undergone mutational changes that would make it easier for that version of H5N1 to infect people, Helen Branswell reports.
The teenager remains in critical condition in hospital. While there is no evidence the patient infected anyone else — and researchers believe the virus mutated while they were infected — it’s a concerning development in a virus that officials have reassured the public is not an immediate threat. “By no means is this Day 1...
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Personalized bone and tissue regeneration gel shows effectiveness in rats
by Justin Jackson , Medical Xpress Vision and rationale of the study. a) Main biological events and factors involved in the formation of a regenerative/hematoma clot (RH). b) Vision of the workflow from whole blood to personalized, 3D printed biocooperative implants. c,d) Schematic representation of supramolecular co-assembly of PA molecules with blood components to fabricate...
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Neuroscientists discover how the brain slows anxious breathing
by Salk Institute A mouse breathes in air to form a brain-shaped cloud, which pours rain down onto a wildfire that represents the hot emotions of anxiety and panic. Credit: Salk Institute “Deep breath in, slow breath out…” Isn’t it odd that we can self-soothe by slowing down our breathing? Humans have long used slow breathing...
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Immunotherapy shows potential to treat deadly thyroid cancer
by Olivia Dimmer, Northwestern University Credit: Pixabay/CC0 Public Domain A type of immunotherapy appears to be effective in treating a deadly subset of thyroid cancer, according to the results of a clinical trial published in JAMA Oncology. While they are rare, aggressive thyroid carcinomas can be deadly and have limited treatment options, said Jochen Lorch, MD, professor of Medicine in the Division...
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Cognitive neuroscientists discover new blueprint for making and breaking habits
by Fiona Tyrrell, Trinity College Dublin The two control systems. Credit: Trends in Cognitive Sciences (2024). DOI: 10.1016/j.tics.2024.10.006 Cognitive neuroscientists at Trinity College Dublin have published new research describing a brand new approach to making habit change achievable and lasting. This innovative framework has the potential to significantly improve approaches to personal development, as well as the clinical...
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Fluctuations in blood pressure over time may be linked to higher sudden cardiac death risk
by American Heart Association Credit: Pavel Danilyuk from Pexels Middle-aged adults with long-term fluctuations in blood pressure may face a higher risk for sudden cardiac death than their peers with more consistent blood pressure readings, a large new study suggests. The findings, which showed people with the greatest variability in blood pressure faced up to a...
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Scientists analyze virus protein structure to advance RSV vaccines
by The Scripps Research Institute Comparative in vitro characterization of previously reported RSV-F designs. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-54287-x In most people, the lung-infecting pathogens known as respiratory syncytial virus (RSV) and human metapneumovirus (hMPV) trigger mild cold-like symptoms. But in infants and seniors, these viruses can cause severe pneumonia and even death. Vaccines against both viruses,...
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You Could Be Treating Your Cuts the Wrong Way
Don’t “air it out.” Put down the hydrogen peroxide. Here’s what to do to prevent infection and hasten healing. By Ashley Abramson October 26, 2024 Photo: Getty Images Cuts, or wounds that break the skin, are one of the most common injuries. They can vary in severity, but most minor wounds can usually be treated at home without...
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What delusions can tell us about the cognitive nature of belief
by Michael Connors, Peter W Halligan, The Conversation Credit: Pixabay/CC0 Public Domain Beliefs are convictions of reality that we accept as true. They provide us with the basic mental scaffolding to understand and engage meaningfully in our world. Beliefs remain fundamental to our behavior and identity, but are not well understood. Delusions, on the other hand,...