Picking up the pace on your walk helps, even for older adults
In an analysis published in PLOS One earlier this month, researchers found that frail older adults who deliberately walked faster saw a meaningful improvement in the distance they could travel when instructed to walk for six minutes straight. (Frailty is an age-related syndrome that affects 5 to 17 percent of older adults and is characterized by fatigue, a loss of strength and unexplained weight loss.)
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Washington Post
29 minutes ago
- Washington Post
Live updates: Trump to unveil initiative to ease access to medical records
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Medscape
an hour ago
- Medscape
Stereotactic RT Cuts Neurologic Deaths in SCLC, Brain Mets
TOPLINE: A phase 2 trial found that compared with whole brain radiation (WBRT), stereotactic radiation reduced neurologic deaths in patients with small cell lung cancer (SCLC) and 1-10 brain metastases. METHODOLOGY: SCLC carries a high risk for brain metastases and has traditionally been managed with WBRT or prophylactic cranial irradiation. Stereotactic radiosurgery/radiotherapy has become standard for patients with limited brain metastases from other solid tumors, but prospective data are lacking in those with SCLC. Researchers conducted a multicenter, phase 2 trial of 100 patients (median age, 68 years; 55% women) with SCLC or extrathoracic small cell primaries and 1-10 brain metastases. Participants received brain-directed stereotactic radiation — 20 Gy in a single fraction for lesions under 2 cm and fractionated schedules (30 Gy in five fractions) when necessary. Grossly resected cavities received 25-30 Gy in five fractions with a simultaneous integrated boost. The primary endpoint was neurologic death — defined as progressive radiographic brain disease with corresponding neurologic symptoms in the absence of systemic progression. The control group was a historical cohort of 35 patients with 1-6 brain metastases who underwent WBRT between 2008 and 2015. Secondary endpoints included overall survival, incidence of new brain metastases, leptomeningeal disease, and salvage brain-directed radiation. Median follow-up for survivors was 22 months. TAKEAWAY: Twenty neurologic deaths and 64 nonneurologic deaths occurred. The 1-year incidence of neurologic death was 11.0% among patients who received stereotactic radiation vs 17.5% in the WBRT group; 2–year rates were 20.3% and 35.2%, respectively. Median overall survival was 10.2 months. New brain metastases developed in 61% of patients (1-year estimate, 59.0%). Overall, 39% of the total population received salvage stereotactic radiation, while 22% required salvage WBRT, indicating that 78% avoided WBRT entirely. Looking at 2-year estimates, leptomeningeal disease occurred in 9% of patients (1-year estimate, 7%), systemic progression in 66% (1-year estimate, 58%), local recurrence in 17% (1-year estimate, 15%), radiographic radiation necrosis in 8% (1-year estimate, 6%), and symptomatic necrosis in 5.4% (1-year estimate, 3%). IN PRACTICE: 'Our phase 2 trial supports the viability of SRS/SRT [stereotactic radiation] in the management of patients with SCLC and a limited number of brain metastases who are naive to previous brain-directed radiation, including PCI [prophylactic cranial irradiation],' the authors wrote. Ongoing trials comparing stereotactic radiation to hippocampal-sparing WBRT will offer additional insights, the authors noted. SOURCE: This study, led by Ayal A. Aizer, MD, MHS, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Boston, was published online in the Journal of Clinical Oncology. LIMITATIONS: Limitations included a lack of concurrent WBRT control and reliance on data from a historical cohort from a single institution. The results might not be applicable to patients with more than 10 lesions. Additionally, frequent surveillance and early use of salvage stereotactic radiation mitigated the risk for neurologic death that might have otherwise been seen. DISCLOSURES: This study was supported by the Joint Center for Radiation Therapy, Boston. Several authors reported receiving research funding or honoraria or having ties with various sources. Additional disclosures are noted in the original article. This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication.
Fox News
an hour ago
- Fox News
New tech recovers 92% of EV battery metals
As demand for clean energy grows, so does the need for smarter storage solutions. Lithium-ion batteries are leading the charge, but they don't last forever. That creates a big problem: what do we do with all the dead batteries? Thanks to a new method developed by researchers at Worcester Polytechnic Institute (WPI), we may finally have an answer. This scalable and eco-friendly recycling technique transforms old batteries back into high-performing, next-gen components, with minimal environmental impact. Let's break down how this innovation works and why it matters for a sustainable energy future. Sign up for my FREE CyberGuy ReportGet my best tech tips, urgent security alerts, and exclusive deals delivered straight to your inbox. Plus, you'll get instant access to my Ultimate Scam Survival Guide - free when you join my From your phone to electric vehicles and even power grids, lithium-ion batteries are everywhere. They offer unmatched energy density and can scale to meet large infrastructure demands. However, there's a catch. Even with optimal use, these batteries wear out after a few thousand charge cycles. When they die, they leave behind components such as nickel, cobalt, and manganese, materials that are expensive and environmentally damaging to mine. Without a solid plan for recycling, the clean energy revolution could create a very dirty problem. Standard recycling methods aren't quite up to the task. They're energy-intensive, generate significant emissions, and often fail to recover materials in usable form. This means many recycled batteries can't be turned into new, high-performing ones. As a result, manufacturers continue to mine for raw materials, causing further environmental harm. That's why scientists have been searching for a better way to close the loop. Led by Professor Yan Wang, the WPI team developed a method that uses hydrometallurgy to extract critical metals from spent Ni-lean cathodes, then upcycles them into Ni-rich 83Ni cathode materials, which are used in next-generation batteries. Here's what makes it revolutionary: While still in research, this method is on a fast track to real-world deployment. Wang is also a co-founder of Ascend Elements, a company already commercializing battery recycling, so this tech may hit manufacturing floors sooner than you think. Battery waste is piling up, and mining for fresh materials isn't sustainable. Wang's team has proven that high-performance batteries can be made from recycled components at scale. This reduces our dependence on destructive mining operations, lowers emissions, and makes battery manufacturing more resilient to global supply shocks. Even better? These recycled batteries perform just as well as new ones. Unlike traditional methods that recover raw metals but degrade performance, this upcycling process regenerates high-value cathodes with next-gen chemistry, turning old batteries into components even better aligned with today's EV and storage systems. If you rely on a smartphone, drive an EV, or use a laptop daily, this research affects you. The push toward clean energy is not just about wind turbines and solar panels. It's about making the entire system, including batteries, more sustainable. Right now, most of us toss old devices without thinking about where the battery ends up. But that battery contains valuable metals, metals that are expensive to mine and harmful to extract. This new method from WPI means future batteries in your devices could be made from sustainably recycled materials, without sacrificing performance. That helps keep costs down, reduces toxic waste, and shrinks your personal carbon footprint. These high-performance recycled batteries could soon power electric vehicles, solar-powered homes, and even the devices in your pocket, bringing sustainability directly into your life. Plus, as governments and companies invest in battery-powered everything, innovations like this help ensure there are enough materials to go around, without ripping more resources out of the ground. This innovation could become a cornerstone of the circular battery economy, where old batteries fuel new technology without harming the planet. WPI's approach doesn't just tackle waste. It redefines how we think about energy storage in a world that urgently needs sustainable solutions. Would you trust a car or device powered by recycled battery components, or are you still holding out for "new" to mean "better"? Let us know by writing us at Sign up for my FREE CyberGuy ReportGet my best tech tips, urgent security alerts, and exclusive deals delivered straight to your inbox. Plus, you'll get instant access to my Ultimate Scam Survival Guide - free when you join my Copyright 2025 All rights reserved.
