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Exposure to 4 or more CT scans before adulthood doubles the risk for cancers

For children under age 18 years, a single computed tomography (CT) scan is not associated with an increased risk of brain tumors, leukemia or lymphoma, but exposure to 4 or more scans before adulthood more than doubles the risk, according to new research https://www.cmaj.ca/lookup/doi/10.1503/cmaj.221303 in CMAJ.

24 Apr 2023

Pain, hope, and science collide as athletes turn to magic mushrooms

The boxer felt broken. Every day, he was waking up in pain. Some days, it was debilitating headaches. Other times, it was his back. Or his fists. His ribs. His nose. On top of that, he had mood swings. Depression. Anxiety.

24 Apr 2023

Motor cortex study: effector regions alternate with somato-cognitive action network

Researchers mapped the functional organization of the motor cortex (M1) of the human brain.

24 Apr 2023

Online tool analyzes at-home videos to predict musculoskeletal health

Musculoskeletal conditions - which encompass impairments of the joints, bones, or muscles - affect more than 1.5 billion people around the world.

21 Apr 2023

Brain's glucose metabolism: Key to unlocking new therapies for Alzheimer's and Parkinson's

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20 Apr 2023

Novel approach promotes bone regeneration in mice without implantation

Young babies and newborn mice can naturally heal damage to the bones that form the top of the skull, but this ability is lost in adults.

20 Apr 2023

Sleeve gastrectomy can cause loss of bone density and strength in adolescents

Sleeve gastrectomy (SG), where about 80% of the stomach is removed, is effective for treating obesity and its complications, but it has been associated with bone loss in adolescents.

20 Apr 2023

Teriflunomide may delay first symptoms of multiple sclerosis, study shows

A drug called teriflunomide may delay first symptoms for people whose magnetic resonance imaging (MRI) scans show signs of multiple sclerosis (MS) even though they do not yet have symptoms of the disease.

20 Apr 2023

The Power of Solid-State Nuclear Magnetic Resonance in Biological Research

In this interview conducted at Pittcon 2023 in Philadelphia, Pennsylvania, we spoke to this year's recipient of the Pittsburgh Spectroscopy Award, Robert Tycko.

From Pittcon 20 Apr 2023

Study indicates that SARS-CoV-2 has evolved to gain increased replicative fitness and become well-adapted in epithelial cells of human airways

Researchers explored increasing replicative fitness of emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants

20 Apr 2023

Mind-body linkage is built into the structure of the brain, study reveals

Calm body, calm mind, say the practitioners of mindfulness. A new study by researchers at Washington University School of Medicine in St. Louis indicates that the idea that the body and mind are inextricably intertwined is more than just an abstraction.

19 Apr 2023

Study advances understanding of how melanocyte stem cells work to color hair

Certain stem cells have a unique ability to move between growth compartments in hair follicles, but get stuck as people age and so lose their ability to mature and maintain hair color, a new study shows.

19 Apr 2023

Novel imaging method shows link between iron redox and Alzheimer’s disease

There is a growing body of evidence that iron in the brain may play a role in Alzheimer's disease. Lending weight to that idea, a new imaging probe has for the first time shown that in the same regions of the brain where the amyloid beta plaques associated with Alzheimer's occur, there is also an increase in iron redox, meaning the iron in these regions is more reactive in the presence of oxygen.

19 Apr 2023

Study finds heightened risk of cardiovascular disease among cancer survivors

Cancer survivors may be at long-term heightened risk of subsequent cardiovascular disease, irrespective of traditional underlying risk factors, suggest the findings of a large UK Biobank study, published online in the journal Heart.

19 Apr 2023

Research shows how exercise helps improve brain health

Physical activity is frequently cited as a means of improving physical and mental health. Researchers at the Beckman Institute for Advanced Science and Technology have shown that it may also improve brain health more directly.

19 Apr 2023

ChatGPT-4 outperforms GPT-3.5 and Google Bard in neurosurgery oral board exam

Researchers evaluate the performance of three large language models (LLMs) on a question bank designed for neurosurgery oral board examination preparation. The study found that GPT-4 achieved the highest score of 82.6%, outperforming ChatGPT and Google's Bard.

19 Apr 2023

Researchers discover the molecule responsible for guiding T cells toward tumors

Immunotherapy, particularly CAR T-Cell treatment for cancer, is extending the lives of many patients. But sometimes the therapy randomly migrates to places it shouldn't go, tucking into the lungs or other noncancerous tissue and causing toxic side effects.

18 Apr 2023

Novel score identifies the heart failure patients who benefit most from atrial fibrillation ablation

A score based on four readily available clinical and imaging parameters identifies the heart failure patients who benefit most from atrial fibrillation ablation, according to late-breaking science presented at EHRA 2023, a scientific congress of the European Society of Cardiology.

18 Apr 2023

Did COVID-19-associated lockdowns increase the rate of memory decline in patients with cognitive impairments?

Researchers investigated whether COVID-19-associated lockdown measures had an impact on the cognitive decline rate.

18 Apr 2023

New AI-based method for virtual staining of histopathological tissue samples

Researchers from the University of Eastern Finland, the University of Turku, and Tampere University have developed an artificial intelligence-based method for virtual staining of histopathological tissue samples as a part of the Nordic ABCAP consortium. Chemical staining has been the cornerstone of studying histopathology for more than a century and is widely applied in, for example, cancer diagnostics.

18 Apr 2023