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Fight Aging! Newsletter, August 30th 2021
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 mo...
Source: Fight Aging! - August 29, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

95% of Centenarians are Frail
Survival to 100 years of age is a rarity at the present time, but if the present slow upward trend in life expectancy continues, most people born today will live to 100 or more. That trend will, of course, not continue as-is. The past trend was due to incidental effects of public health measures and general progress in medicine on the mechanisms of aging. The trend in life expectancy will leap upwards with the advent of rejuvenation therapies that deliberately target the reversal and repair of those mechanisms. But that is a topic for another post. Here, let us focus on what actually happens at the present time to p...
Source: Fight Aging! - August 27, 2021 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Public access defibrillation
This study showed that trained lay persons can use AEDs safely and effectively. Nationwide dissemination of public access AEDs in Japan was reported in 2010 [1]. 312,319 adults who had out-of-hospital cardiac arrest were included in the study. 12,631 of these patients had ventricular fibrillation and cardiac origin witnessed cardiac arrest. 462 were administered shocks by lay persons with public access AEDs. Though this gave an average percentage of 3.7%, the percentage increased from 1.2% to 6.2% as the number of public access AEDs increased. 14.4% of those with witness cardiac origin cardiac arrest were alive at 1 month ...
Source: Cardiophile MD - August 17, 2021 Category: Cardiology Authors: Prof. Dr. Johnson Francis Tags: Cardiology Source Type: blogs

Fight Aging! Newsletter, August 2nd 2021
This study aimed to determine the association between: (i) cognitive decline and bone loss; and (ii) clinically significant cognitive decline on Mini Mental State Examination (MMSE) over the first 5 years and subsequent fracture risk over the following 10 years. A total of 1741 women and 620 men aged ≥65 years from the population-based Canadian Multicentre Osteoporosis Study were followed from 1997 to 2013. Over 95% of participants had normal cognition at baseline. After multivariable adjustment, cognitive decline was associated with bone loss in women but not men. Approximately 13% of participants experienced sign...
Source: Fight Aging! - August 1, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, July 12th 2021
In conclusion, our study demonstrated that elevated cumulative SBP or DBP was independently associated with increased risk of CVD in the Chinese population. Among participants with 15-year cumulative BP levels higher than the median, that is, 1970.8/1239.9 mmHg-year for cumulative SBP/DBP, which was equivalent to maintaining SBP/DBP level higher than 131/83 mmHg in 15 years, the CVD risk would increase significantly irrespective of whether or not the BP measurements at one examination was high. Our findings emphasize the importance of cumulative BP level in identifying individuals with high risk of CVD in the future. ...
Source: Fight Aging! - July 11, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Using Supercentenarian Data to Estimate Future Increases in Maximum Human Life Span
In today's research materials, scientists attempt to model future increases in maximum human longevity based on past data for supercentenarians, people aged 110 and older. This is an interesting exercise, but I think that all of the results have to be taken with a sizable grain of salt. Firstly, the data for extreme human outliers in longevity isn't great. A lot of it is of poor quality, and the portions that are well maintained do not include a sizable number of people. There are few survivors to such exceptional ages, which makes it hard to call any analysis of that data truly robust. This is a problem that afflicts all ...
Source: Fight Aging! - July 8, 2021 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

The Fable of the Cats
George SelginThe comparison has by now been made so often that it may qualify as a  platitude. I mean that between stablecoin issuers and “wildcat” banks, the fly‐​by‐​night scams that supposedly flooded the antebellum United States with notes nominally worth some stated amount of gold or silver, but actually worth little more than the rag paper they were made of.Such disreputable stuff, we keep hearing, is what “private” currency always tends to be like. The paper sort survived until federal authorities nationalized the nation’s paper money during the Civil War. And (we are told), digital currency will...
Source: Cato-at-liberty - July 6, 2021 Category: American Health Authors: George Selgin Source Type: blogs

Cardiology MCQs
Modified Blalock-Taussig shunt is: End to side anastomosis of subclavian artery to a pulmonary artery Side to side anastomosis of main pulmonary artery to aorta Side to side anastomosis of subclavian artery to a pulmonary artery using a conduit Anastomosis of superior vena cava to right pulmonary artery Correct answer: 3. Side to side anastomosis of subclavian artery to a pulmonary artery using a conduit In classic Blalock-Taussig shunt, the subclavian artery is divided and anastomosed to the pulmonary artery as an end to side anastomosis. In modified Blalock – Taussig shunt, a Gore – Tex graft is used to connect th...
Source: Cardiophile MD - July 4, 2021 Category: Cardiology Authors: Prof. Dr. Johnson Francis Tags: Cardiology MCQ DM / DNB Cardiology Entrance Source Type: blogs

Fight Aging! Newsletter, July 5th 2021
In conclusion, the findings suggest that DNAm GrimAge is a strong predictor of mortality independent of genetic influences. Heart Failure Correlates with Increased Cancer Risk https://www.fightaging.org/archives/2021/07/heart-failure-correlates-with-increased-cancer-risk/ Age-related disease results from the underlying cell and tissue damage that causes aging. Different people accumulate that damage at modestly different rates, the result of lifestyle choices and exposure to infectious disease. Thus the presence of a sufficient burden of damage to produce one age-related disease will be accompanied by a ...
Source: Fight Aging! - July 4, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Inexpensive Filter Isolates Circulating Tumor Cells
Researchers at Kumamoto University in Japan have designed an inexpensive and convenient filter that can isolate circulating tumor cells from as little as 1 mL of patient blood. The highly sensitive filter can successfully work in samples containing a...
Source: Medgadget - July 2, 2021 Category: Medical Devices Authors: Conn Hastings Tags: Diagnostics Oncology Source Type: blogs

Fight Aging! Newsletter, June 14th 2021
In conclusion, a number of high-income countries, changes in health expectancies over time have not kept pace with the growth in life expectancy. That is, people are living longer but disability and poor health are occupying an increasing proportion of later life. Our findings suggest that countries still need to make significant progress to achieve the WHO's Decade of Healthy Ageing goal of healthier, longer lives for all. Progress on Understanding Why Human Growth Hormone Receptor Variants are Associated with Greater Longevity https://www.fightaging.org/archives/2021/06/progress-on-understanding-why-human-gro...
Source: Fight Aging! - June 13, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Progress on Understanding Why Human Growth Hormone Receptor Variants are Associated with Greater Longevity
A few years back, researchers noted that a common growth hormone receptor gene variant was associated with greater life expectancy in humans. There was some theorizing as to possible mechanisms at the time, following the usual paths for anything that touches on growth hormone or its receptor. In short-lived mammals such as mice, loss of function in growth hormone or its receptor produces small body size and increased healthy longevity. The present record for mouse longevity is held by a growth hormone receptor knockout lineage. In humans, members of the small Laron syndrome population exhibit an analogous disruption of gro...
Source: Fight Aging! - June 11, 2021 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Fight Aging! Newsletter, May 3rd 2021
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! - May 2, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fontan Circulation
Fontan repair of tricuspid atresia was initiated in late 1960s. Francis Fontan et al reported that surgical repair was carried out in three patients with tricuspid atresia of which two were successful [1]. Inferior venacaval blood was directed to the left lung and the right pulmonary artery received the superior venacaval blood through a cavopulmonary anastomosis. They mentioned that the size of the pulmonary arteries must be large enough and at sufficiently low pressure to allow flow in a cavopulmonary anastomosis. The first step was a Glenn procedure in which distal end of right pulmonary artery was anastomosed to the ...
Source: Cardiophile MD - April 20, 2021 Category: Cardiology Authors: Prof. Dr. Johnson Francis Tags: Cardiac Surgery Source Type: blogs

Near-Infrared Hyperspectral Imaging Detects Liver Fat Content
Researchers at the Tokyo University of Science have applied a new imaging technique in a way that may allow clinicians to assess liver fat content without having to take biopsies. Called near-infrared hyperspectral imaging, the method can highlight f...
Source: Medgadget - March 24, 2021 Category: Medical Devices Authors: Conn Hastings Tags: Medicine Source Type: blogs