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Total 241 results found since Jan 2013.

DNA is Better at Math than You Are
By KIM BELLARD I was tempted to write about the work being done at Wharton that suggests that AI may already be better at being entrepreneurial than most of us, and of course I’m always interested to see how nanoparticles are starting to change health care (e.g., breast cancer or cancer more generally), but when I saw what researchers at China’s Shanghai Jiao Tong University have done with DNA-based computers, well, I couldn’t pass that up.  If PCs helped change the image of computers from the big mainframes, and mobile phones further redefined what a computer is, then DNA computers may cause us to one day...
Source: The Health Care Blog - September 20, 2023 Category: Consumer Health News Authors: matthew holt Tags: Health Tech DNA Future of Computing Kim Bellard Source Type: blogs

Fight Aging! Newsletter, September 4th 2023
In conclusion, although the contribution of CRF to GrimAgeAccel and FitAgeAccel is relatively low compared to lifestyle-related factors such as smoking, the results suggest that the maintenance of CRF is associated with delayed biological ageing in older men. « Back to Top Release of Acetylcholine is Necessary for the Aging Brain to Compensate for a Lack of Neurogenesis https://www.fightaging.org/archives/2023/09/release-of-acetylcholine-is-necessary-for-the-aging-brain-to-compensate-for-a-lack-of-neurogenesis/ Neurogenesis is the process by which new neurons are created by neural stem ce...
Source: Fight Aging! - September 3, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, July 17th 2023
In conclusion, the longevity-associated genotype of FLT1 may confer increased lifespan by protecting against mortality risk posed by hypertension. We suggest that FLT1 expression in individuals with longevity genotype boosts vascular endothelial resilience mechanisms to counteract hypertension-related stress in vital organs and tissues. Resistance Exercise Slows the Onset of Pathology in a Mouse Model of Alzheimer's Disease https://www.fightaging.org/archives/2023/07/resistance-exercise-slows-the-onset-of-pathology-in-a-mouse-model-of-alzheimers-disease/ With the caveat that mouse models of Alzheimer's...
Source: Fight Aging! - July 16, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

This and that
Responding to some of the responses to my last post on global carbon emissions, yes, we agree on the facts, the issue seems to be the implications. It is correct that at this moment, the U.S. accounts for about 15% of global greenhouse gas emissions, and we have been heading downward; while China in particular has been going in the wrong direction and is the largest emitter. Maybe " fairness " is an issue here, since the U.S. is responsible for far more cumulative emissions and China ' s emissions per capita are not as large, but given the crisis facing humanity I think that ' s pretty much beside the point. What matters i...
Source: Stayin' Alive - June 26, 2023 Category: American Health Source Type: blogs

Fight Aging! Newsletter, June 26th 2023
This study explored the association between different cooking fuel types and the risk of cancer and all-cause mortality among seniors constructing Cox regression models. Data were obtained by linking waves of 6, 7, and 8 of the Chinese Longitudinal Healthy Longevity Survey, which included a total of 7,269 participants who were 65 years old and over. Cooking fuels were categorized as either biomass, fossil, or clean fuels. And the effects of switching cooking fuels on death risk were also investigated using Cox regression models. The results indicate that, compared with the users of clean fuels, individuals using bio...
Source: Fight Aging! - June 25, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Use of Cooking Fuels that Produce Air Pollution Correlates with Increased Cancer Risk
This study explored the association between different cooking fuel types and the risk of cancer and all-cause mortality among seniors constructing Cox regression models. Data were obtained by linking waves of 6, 7, and 8 of the Chinese Longitudinal Healthy Longevity Survey, which included a total of 7,269 participants who were 65 years old and over. Cooking fuels were categorized as either biomass, fossil, or clean fuels. And the effects of switching cooking fuels on death risk were also investigated using Cox regression models. The results indicate that, compared with the users of clean fuels, individuals using bio...
Source: Fight Aging! - June 19, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, May 22nd 2023
Conclusions to be Drawn A High Fat Diet Accelerates Atherosclerosis Less Directly than One Might Suspect How to Construct Measures of Biological Age A Long-Term Comparison of Metformin in Diabetics with Non-Diabetic Controls In Search of Distinctive Features of the Gut Microbiome in Long-Lived Individuals Greater Fitness in Humans Implies a Younger Epigenome and Transcriptome Intestinal Barrier Dysfunction as a Feature of Aging in Many Species NAFLD as an Age-Related Condition Towards Sensory Hair Cell Regeneration in the Inner Ear Raised Levels of PLG...
Source: Fight Aging! - May 21, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Nursing the Nation and the World
Nurses are everywhere. They are legion. The ubiquitous nurse is present in the care of children, the elderly, the disabled, and the dying. Nurses don ' t shy away from responsibility — they embrace it. Nurses run towards the metaphorical fire. Just as firefighters rush into burning buildings and police officers run towards the active shooter, nurses don their gloves and deal with the sputum, the blood, the pus, the emesis, the feces, and the urine — body fluids be damned, th ere ' s work to do and nurses do it. The Ubiquitous NurseWhere would the country be without nurses? Without nurses, the healthcare system wou...
Source: Digital Doorway - May 8, 2023 Category: Nursing Source Type: blogs

Is China Mellowing?
John MuellerIs China mellowing? If so, Secretary of State Antony Blinken ’s upcoming visit there could lead to important changes in U.S.-China relations.When necessary, China ’s president Xi Jinping seems able to abandon even policies with which he has been closely identified. In 2016, he grandly proclaimed his Belt and Road Initiative to be“a project of the century,” but when loans to a rash of unworthy creditor nations went sour, the program was slashed from $75 billion per year to $4 billion in 2019. And in December he abruptly (perhaps much too abruptly) abandoned his cherished zero ‐​Covid policy afte...
Source: Cato-at-liberty - February 2, 2023 Category: American Health Authors: John Mueller Source Type: blogs

Fight Aging! Newsletter, January 16th 2023
Conclusions Implanted Hair Follicle Cells Produce Remodeling of Scar Tissue Assessment of Somatic Mosaicism as a Biomarker of Aging The Gut Microbiome of Centenarians https://www.fightaging.org/archives/2023/01/the-gut-microbiome-of-centenarians/ The state of the gut microbiome is arguably as influential on health as exercise. Various microbial species present in the gut produce beneficial metabolites, such as butyrate, or harmful metabolites, such as isoamylamine, or can provoke chronic inflammation in a variety of ways. An individual can have a better or worse microbiome, assessing these and other fu...
Source: Fight Aging! - January 15, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Commentary on More Drastic Scenarios of Partial Brain and Full Body Replacement
Is outright replacement of tissues a viable option for the treatment of aging? There are factions within the longevity-interested community who think that the paths to either (a) engineering replacement brain tissue for parts of the brain not involved in memory, or (b) transplantation of an old head onto a young body or brain into a young body, are short enough to be worth pursuing, where "short enough" means a few decades of work given sufficient funding. To my mind, major surgery of the sort implied by replacement of large sections of tissue or entire organs is something to be avoided in later life, given the risks and c...
Source: Fight Aging! - January 10, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

So Much to Do, So Little Selenium Needed
You may know that antioxidants can help protect your cells from oxidative damage, but do you know about selenium—an element often found in special proteins called antioxidant enzymes? Selenium is essential to your body, which means you must get it from the food you eat. But it’s a trace element so you only need a small amount to benefit from its effects. In addition to its antioxidant properties, it’s also important for reproduction, DNA synthesis, and hormone metabolism. In our bodies, selenium works in antioxidant enzymes to help protect us from oxidative damage. The element is also found in antidandruf...
Source: Biomedical Beat Blog - National Institute of General Medical Sciences - December 21, 2022 Category: Research Authors: Chrissa Chverchko Tags: Chemistry, Biochemistry and Pharmacology Molecular Structures Cellular Processes Proteins Source Type: blogs

The Top 10 Digital Health Stories Of 2022
Edging towards the end of the year, it is time for a summary of how digital health progressed in 2022. It is easy to get lost in the noise – I myself shared well over a thousand articles, studies and news items between January and the end of November 2022. Thus, just like in 2021, 2020 (and so on), I picked the 10 topics I believe will have the most significance in the future of healthcare. 1. The Rise Of Digital Therapeutics (DTx) Unlike a number of unsubstantial hypes (NFTs, Metaverse to name a few), we see DTx as a meaningful trend that has the capacity to bring major short-term improvements in personalised ...
Source: The Medical Futurist - November 29, 2022 Category: Information Technology Authors: Andrea Koncz Tags: TMF digital health pharma drones digital health trends vocal biomarkers WHO DTx digital therapeutics Metaverse virtual ward summary AI healthcare worker Source Type: blogs

Spirograph and string things
As a child, I was always really pleased to get a Spirograph as a Christmas present. With its cogs and pens it allowed you to create what you might call mathematical art. You set up the frame and the cogwheels, poked a pen into one of the holes and whirled the pen round and round until it had drawn out a complex-looking spiral on the paper. You used different sized cogs and shapes and different holes to generate different patterns, which you could overlay. 1970s Spirograph set, photo c/o VintageToys.com I even had one that used paints and tinfoil instead of pen and paper. I remember rattling off dozens of these things, I su...
Source: David Bradley Sciencebase - Songs, Snaps, Science - November 7, 2022 Category: Science Authors: David Bradley Tags: Photography Source Type: blogs

I am stupid
Conclusion: Isaac Asimov is stupid(Sorry, no post yesterday because I was doing some heavy cerebral processing.)He ' d have been the first to admit it. All of us are susceptible to cognitive errors and biases. I ' d like to think that Asimov was less susceptible than most, but he must have had his own foibles. It ' s a constant struggle to be mindful and think straight. For my own part, I once had a romanticized view of the Chinese revolution, I was an anthropogenic climate change skeptic, and I entertained the likelihood that medical intervention, on balance, did more harm than good. (Viz Illich, Medical Nemesis.)&nb...
Source: Stayin' Alive - October 28, 2022 Category: American Health Source Type: blogs