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The Adaptation-Maladaptation Framework of Aging
While a great deal is known about the ways in which old tissues differ from young tissues, there remains considerable room to theorize on how exactly aging is caused and progresses. Which manifestations are causative, and which downstream consequences, which mechanisms are important, which are side-effects or diversions. Theories of aging abound, alongside frameworks intended to steer thinking about aging. We stand in the opening years of a new era of medicine, in which the first rejuvenation therapies exist or are under development, senolytics that can clear senescent cells, alongside reprogramming strategies and potentia...
Source: Fight Aging! - September 22, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Results from Human Clinical Trials Do Not Support Metformin as a Longevity Drug
The SENS Research Foundation staff have carried out the public service of extensively discussing and dismantling the evidence commonly cited in support of metformin as a way to modestly slow aging, showing that said evidence is problematic, to say the least. Metformin might make life modestly better for diabetics, but it doesn't slow aging. This view of the human data matches the poor quality of the animal model data, in which metformin makes a poor showing in comparison to the robust data for a modest slowing of aging that is produced by the use of, say, mTOR inhibitors, or the practice of calorie restriction. Rega...
Source: Fight Aging! - September 21, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

AI is living up to its promise as a tool for radiology
For the last few years, artificial intelligence (AI) has been proving itself as an effective tool in breast cancer screening. An ever-growing list of research studies has shown that using AI in mammography can safely and efficiently reduce patient wait times while reducing the pressure on in-demand radiologists. This is significant, as early detection greatly Read more… AI is living up to its promise as a tool for radiology originally appeared in KevinMD.com.
Source: Kevin, M.D. - Medical Weblog - September 21, 2023 Category: General Medicine Authors: Tags: Tech Radiology Source Type: blogs

Many Researchers and Companies Will Aim to Produce Small Molecule Reprogramming Therapies
The typical path for any program in biomedical research and development is to first demonstrate interesting results in animal studies using forms of genetic engineering or gene therapy, and then find small molecules that adjust the same mechanism. Small molecules are never as good as genetic manipulations, the size of the effect is always smaller, usually much smaller, and there are inevitably side-effects. Small molecule development is much easier to conduct, however, more familiar to investors and regulators and program managers, a well-trodden path. Thus while the future of medicine is gene therapy, in search of large e...
Source: Fight Aging! - September 21, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Medical Control of Hypertension Largely Removes Increased Risk of Dementia
In conclusion, this individual patient data meta-analysis of longitudinal cohort studies found that antihypertensive use was associated with decreased dementia risk compared with individuals with untreated hypertension through all ages in late life. Individuals with treated hypertension had no increased risk of dementia compared with healthy controls.
Source: Fight Aging! - September 20, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Etched Nanopillars Kill Bacteria, Fungi on Titanium Implants
Researchers at RMIT in Australia have developed a drug-free approach to kill bacteria and fungi that can infect surfaces on medical implants. Such pathogens can cause serious and difficult-to-treat infections around medical implants, sometimes requir...
Source: Medgadget - September 20, 2023 Category: Medical Devices Authors: Conn Hastings Tags: Materials Medicine Public Health Candida RMIT Source Type: blogs

Cells Release Insulin in Response to Music
Researchers at ETH Zurich have developed an insulin delivery system that relies on music as a trigger. The unusual technology is based on calcium ion channels that typically reside in the cell membrane. Such channels are sensitive to mechanical defor...
Source: Medgadget - September 19, 2023 Category: Medical Devices Authors: Conn Hastings Tags: Genetics Medicine diabetes ETH Zurich Source Type: blogs

The Lack of Consensus on Approaches to Aging as a Flaw to be Fixed
It can be argued that the largest challenge facing the development of means to treat aging as a medical condition is that there is, as of yet, no useful consensus position on how to measure aging, how to define aging, or which of the countless measurable aspects of biochemistry that change with age are the most appropriate targets for therapy. This means that any given research group or biotech startup has a lot of leeway to argue that their approach is the right one - and it might take twenty years to establish the effects of their therapies on long-term health and life span, even given a successful development program. T...
Source: Fight Aging! - September 19, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Leaking Gut, Leaking Blood Vessels, Leaking Blood Brain Barrier
In today's open access paper, researchers attempt to throw a big tent over three distinct issues in the aging of the body and brain. Firstly, the intestinal barrier fails, allowing bacteria and bacterial metabolites into tissue and the circulation, where they can provoke dysfunction and inflammation. Secondly, blood vessels become leaky, harming surrounding tissues by allowing excessive fluid, inappropriate molecules and cells to escape. Lastly, the blood-brain barrier leaks; this is a more specialized barrier layer surrounding blood vessels in the brain, and when it leaks, the passage of unwanted cells and molecules into ...
Source: Fight Aging! - September 18, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Ensuring Fairness in Medical Education Assessment
This study takes a first step in centering the margins as we as medical educators grow our understanding of the dynamics of promoting fairness in assessment. Future studies should explore feedback with intentional inclusion and involvement of diverse students, teachers, and researchers at every stage of the research process from conceptualization through dissemination and application of the new learning. We thank our participants for their time and candor discussing this sensitive topic and the Group on Educational Affairs for funding our work. Thank you for your time and attention and the focus that you’ll put on th...
Source: Academic Medicine Blog - September 18, 2023 Category: Universities & Medical Training Authors: amrounds Tags: AM Podcast AM Podcast Transcript Academic Medicine podcast assessment equity Macy Foundation medical education Source Type: blogs

Fight Aging! Newsletter, September 18th 2023
Fight Aging! publishes news and commentary relevant to the goal of ending all age-related disease, to be achieved by bringing the mechanisms of aging under the control of modern medicine. This weekly newsletter is sent to thousands of interested subscribers. To subscribe or unsubscribe from the newsletter, please visit: https://www.fightaging.org/newsletter/ Longevity Industry Consulting Services Reason, the founder of Fight Aging! and Repair Biotechnologies, offers strategic consulting services to investors, entrepreneurs, and others interested in the longevity industry and its complexities. To find out m...
Source: Fight Aging! - September 17, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

A Prescription-Strength Formula for Stronger Cybersecurity in Healthcare Organizations
The following is a guest article by Steven Stone, Head of Rubrik Zero Labs at Rubrik In early August, a ransomware attack disrupted operations across its network of 17 hospitals and more than 165 clinics in four states and forced some to rely on paper records. Some emergency rooms were shut down and ambulances diverted after the company took its computer systems offline to protect and restore them. Again. Here we go again. This is what most of us thought when we read this story. Cyberattacks on healthcare institutions are not only particularly galling, they’re growing. Healthcare organizations were hit with 1,426 attacks...
Source: EMR and HIPAA - September 15, 2023 Category: Information Technology Authors: Guest Author Tags: Ambulatory Health IT Company Healthcare IT Hospital - Health System LTPAC Security and Privacy American Hospital Association Cyberattacks Cybersecurity Cybersecurity and Infrastructure Security Agency Healthcare Cybersecurity Healthc Source Type: blogs

Microneedle Skin Patch Measures Cancer Biomarkers
Researchers at the Harvard Wyss Institute have developed a technique that lets clinicians to characterize and monitor melanoma. The system involves using a microneedle patch that can draw deep interstitial fluid into itself through a series of penetr...
Source: Medgadget - September 14, 2023 Category: Medical Devices Authors: Conn Hastings Tags: Dermatology Diagnostics Medicine Oncology harvard wyssinstitute Source Type: blogs

Urolithin A Supplementation Improves Mitochondrial Function and Hematopoiesis in Mice
A number of supplement-based approaches have been demonstrated to modestly improve mitochondrial function with age. This includes the various ways to increase NAD levels using vitamin B3 derivatives, mitochondrially targeted antioxidants such as SkQ1, MitoQ, and SS-31, and other compounds such as urolithin A for which the mechanism causing improved mitochondrial function is not as well determined. There is an argument to be made that all of these compounds work because they in some way improve the operation of mitophagy, a mitochondrial quality control mechanism that senses worn and damaged mitochondria, before directing t...
Source: Fight Aging! - September 13, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Quiz: Sepsis Science
Bacteria are the most common triggers of sepsis.Credit: Mark Ellisman and Thomas Deerinck, National Center for Microscopy and Imaging Research, University of California San Diego. At least 1.7 million adults in the United States develop a life-threatening condition called sepsis each year. Sepsis is an overwhelming or impaired whole-body immune response that’s most often caused by bacterial infections. However, it can also be caused by viral infections, such as COVID-19 or influenza; fungal infections; or other injuries, including physical trauma.​​ Anyone can get sepsis, but there’s a higher risk ...
Source: Biomedical Beat Blog - National Institute of General Medical Sciences - September 13, 2023 Category: Research Authors: Chrissa Chverchko Tags: Being a Scientist Injury and Illness Quiz Research Roundup Sepsis Source Type: blogs