Category: Brain and Nervous System
Smart is sexy – new study on fish doing puzzles hints intelligence partly evolved via sexual selection
A better brain might help an animal find more mates, have more sex, and eventually have more babies.
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A mouse study by researchers from the Allen Institute in Seattle provides roadmap for how aging may alter brain cell genetic activity.
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Light exercise can yield significant cognitive benefits, new research shows
Everyday physical activity, like going for a short walk or playing with the kids, may provide short-term benefits for cognitive health, equivalent to reversing four years of cognitive aging.
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Wildfire smoke exposure linked to increased dementia risk
New research led by the University of Washington in Seattle has found that long-term to wildfire smoke exposure was associated with a significant increase in the odds that a person would be diagnosed with dementia.
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Mounting research shows that COVID-19 leaves its mark on the brain, including significant drops in IQ scores
Ziyad Al-Aly, Washington University in St. Louis From the very early days of the pandemic, brain fog emerged as a
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Brain-training games remain unproven, but research shows what sorts of activities do benefit cognitive functioning
The specific skills learned in these games often do not translate to more general, real-world applications. Whether brain games meet their end goal of lasting cognitive improvement across a number of areas is still highly debated among psychologists. To make such claims requires rigorous evidence that playing a specific game improves cognitive or brain performance.
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Eight reasons why ADHD diagnoses are increasing
For a long time it was assumed that somewhere between 5 and 6% of children have attention-deficit hyperactivity disorder (ADHD). But the rates, in practice, are often higher. The American Centers for Disease Control and Prevention put the prevalence at 11.4% in children in 2022.
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The evolutionary benefits of being forgetful
Forgetting serves a functional purpose: Our brains are bombarded with information constantly. If we were to remember every detail, it would become increasingly difficult to retain the important information.
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Brain waste-clearance system shown in people for first time
The scans showed cerebrospinal fluid flowing into the brain through distinct channels—along the perivascular spaces, the fluid-filled spaces that run alongside blood vessels in the brain. These findings match earlier imaging results seen in mice
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Alzheimer’s disease may damage the brain in two phases
Allen Institute and UW School of Medicine brain mapping study uncovers which cell types may be harmed first.
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Health News Headlines
Human-to-human bird flu transmission – Man dies of rabies – DASH diet – Senior moments – 23andME DNA up for sale
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Delirium: this common and frightening syndrome looks like dementia, but comes on much faster
Delirium is a common complication of hospitalization can have a direct impact on patients’ illness and mortality rates. It is therefore extremely important to prevent it, or, failing that, to establish an early diagnosis in order to treat it correctly.
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Health News Headlines
Washington to keep abortion pill stockpile – Free COVID tests – Brett Favre diagnosed with Parkinson’s disease
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Mobile phones are not linked to brain cancer, according to a major review of 28 years of research
The possibility that mobile phones might cause cancer has been a long-standing concern. Mobile phones – and wireless tech more broadly – are a major part of our daily lives. So it’s been vital for science to address the safety of radio wave exposure from these devices.
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Microplastics are in our brains. How worried should I be?
Sarah Hellewell, Curtin University; Anastazja Gorecki, University of Notre Dame Australia, and Charlotte Sofield, University of Notre Dame Australia Plastic
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