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Study refutes blood thinner brain bleed risk after falls in older adults

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  • 2025-07-29 20:40 event
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Study refutes blood thinner brain bleed risk after falls in older adults
There are about 70 million baby boomers in the United States, many now over the age of 65. As people age, rates of cardiovascular and cerebrovascular diseases rise, leading to more use of blood thinners such as warfarin. At the same time, older adults face a higher risk of head injuries and brain bleeding, especially after falls.

1.048. How does the immune system prepare for breastfeeding?

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Of the 3.6 million babies born in the United States each year, about 80% begin breastfeeding in their first month of life. Breastfeeding has known benefits for both mother and child, reducing maternal risk of breast and ovarian cancers, type 2 diabetes, and high blood pressure, while simultaneously supporting the baby's nutrition and immune system. But because pregnancy and lactation have been historically understudied, we still don't understand the science behind many of these benefits.

1.049. Trapping gut bacteria's hidden fuel improves blood sugar and liver health, study shows

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A team of Canadian scientists has discovered a surprising new way to improve blood sugar levels and reduce liver damage: by trapping a little-known fuel made by gut bacteria before they wreak havoc on the body.

1.050. Digital musical instrument designed to combat isolation and boost motor skills in older adults

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A Loughborough University student has designed a digital instrument to empower older adults through music.

1.051. Structured lifestyle program improves cognition in at-risk older adults

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The Alzheimer's Association U.S. Study to Protect Brain Health Through Lifestyle Intervention to Reduce Risk (U.S. POINTER) found that certain lifestyle interventions improved cognition in older adults at risk of cognitive decline. U.S. POINTER is a two-year, multi-site clinical trial, one of which is the Baylor College of Medicine's Alzheimer's Disease and Movement Disorder Center, testing two different lifestyle interventions in a representative population of older adults at risk for cognitive decline and dementia.

1.052. Affordable biosensor pill reveals intestinal inflammation by releasing blue dye

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A new swallowable device called PRIM (Pill for ROS-responsive Inflammation Monitoring) could someday make tracking inflammatory bowel disease (IBD)—a chronic condition that causes inflammation in the digestive tract—as simple as checking the color of your stool. Researchers from Mass General Brigham and the University of Toronto designed and tested the device in preclinical models.

1.053. AI catches one-third of interval breast cancers missed at screening

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An AI algorithm for breast cancer screening has the potential to enhance the performance of digital breast tomosynthesis (DBT), reducing interval cancers by up to one-third, according to a study published today in Radiology.

1.054. Researchers advocate for separate roles between AI and humans

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Renowned physician-scientist Eric J. Topol, M.D., and Harvard artificial intelligence (AI) expert Pranav Rajpurkar, Ph.D., advocate for a clear separation of the roles between AI systems and radiologists in an editorial published in Radiology.

1.055. RNA scissors precisely target and remove mutant gene in rapid aging condition in children

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Children who develop deep wrinkles, stunted growth, and rapidly aging bones and blood vessels as early as 1 to 2 years of age may be suffering from Hutchinson-Gilford Progeria Syndrome (HGPS), a rare and incurable genetic disorder that affects approximately one in eight million people. The average life expectancy for patients is just 14.5 years, and to date, no curative treatment exists.

1.056. My child is always losing and forgetting things. How can I help—without making it worse?

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As school returns, parents and teachers might each be faced with the familiar chorus of "I can't find my school jumper" and "I left my hat at home." For parents of older kids, the stakes may be even higher: lost mobile phones or laptops left on the bus.

1.057. Study refutes blood thinner brain bleed risk after falls in older adults

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There are about 70 million baby boomers in the United States, many now over the age of 65. As people age, rates of cardiovascular and cerebrovascular diseases rise, leading to more use of blood thinners such as warfarin. At the same time, older adults face a higher risk of head injuries and brain bleeding, especially after falls.

1.058. Immunotherapy alters bone marrow environment in acute myeloid leukemia patients

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Scientists studying a hard-to-treat form of blood cancer called acute myeloid leukemia (AML) have found that a type of treatment—immunotherapy—may help change the environment where cancer cells live, possibly helping the immune system respond more effectively.

1.059. AI system streamlines extraction of key data from medical records

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A multidisciplinary team at UT Southwestern Medical Center has developed an AI-enabled pipeline that can quickly and accurately extract relevant information from complex, free-text medical records. The team's novel approach, published in npj Digital Medicine, could dramatically reduce the time needed to create analysis-ready data for research studies.

1.060. Five strategies to address the harms of market-driven drug development

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U.S. investment in new treatments is often driven by market potential rather than medical necessity, deepening health disparities and costing lives. Researchers say these recommendations could help.

1.061. AI-designed T cell receptor substitutes can accelerate precision cancer immunotherapy

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New designer proteins created using an AI tool can selectively target peptide segments that bind to markers on diseased cancer cells, acting like molecular flags that signal immune cells to attack and destroy the threats.

1.062. New tool using AI for heart failure incorporates views of patients, clinicians, other stakeholders on three continents

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The "Trustworthy Artificial Intelligence for Personalized Risk Assessment" (AI4HF) project has successfully engaged clinicians, patients and other stakeholders across Europe, South America and Africa to achieve its target to co-design, develop and evaluate the first trustworthy artificial intelligence (AI) tool for personalizing the care and management of patients with heart failure.

1.063. GDF-15 and eGFRdiff: Blood markets may help predict kidney risk and survival in diabetes mellitus

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Kidney complications in diabetes often progress silently, putting patients at risk of life-threatening outcomes long before any symptoms appear. Identifying individuals with diabetes who are at risk of rapid kidney function decline or early death has challenged doctors for decades, with traditional markers like serum creatinine and urinary albumin falling short of accurately predicting these risks.

1.064. Colon cancer and exercise: Can physical activity reprogram genes?

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A new study led by researchers at Huntsman Cancer Institute at the University of Utah (the U) shows that regular exercise may do more than help colon cancer patients feel better—it may actually change gene activity in both tumors and surrounding fat tissue.

1.065. Human proteome study maps aging signatures across 13 organs

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A multi-institutional team led by the Chinese Academy of Sciences has constructed a proteomic atlas of human aging across 13 organs, revealing tissue-specific aging clocks, transcriptome-proteome decoupling, and secreted proteins that may accelerate systemic decline.

1.066. Unmutated tumor antigens: Exploitable targets for immunotherapy

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A team headed by Claude Perreault, Director of IRIC's Immunobiology Research Unit and Professor at the Faculty of Medicine at Université de Montréal, has identified novel tumor antigens that could lead to the development of vaccines for the treatment of two cancers: melanoma and non-small cell lung cancer.

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