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Condition: Obesity
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Total 911 results found since Jan 2013.
Long Term Exercise in Humans Reduces Markers of Cellular Senescence in Intestinal Tissue
In this study, researchers show that long-term exercise does reduce signs of cellular senescence in this tissue, though this appears to be a matter of reducing the proportion of the study population exhibiting high biomarker values rather than moving the average for everyone. Whether this outcome is similar in other tissues is an open question. While exercise is beneficial, one can't exercise one's way out from under degenerative aging, only somewhat slow its progression.
Regular endurance exercise training is an effective intervention for the maintenance of metabolic health and the prevention of many age-associat...
Source: Fight Aging! - April 12, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Farm Bill 2023 and Obesity
This study found U.S. farm policies “have generally small and mixed effects on farm commodity prices, which in turn have even smaller and still mixed effects on the relative prices of more‐ and less‐fattening foods.”Farm subsidy/ nutrition issues are hotly debated, and I have not done a detailed research review. If Congress withdrew subsidies from corn, wheat, soybeans, and rice, would U.S. farming shift toward healthier fruits and vegetables? Are the subsidized crops and related oils a cause of obesity, and has the go vernment given Americans bad nutrition advice about these products for decades, asNina T...
Source: Cato-at-liberty - April 6, 2023 Category: American Health Authors: Chris Edwards Source Type: blogs
Fight Aging! Newsletter, April 3rd 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! - April 2, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, March 27th 2023
This study has potentially significant implications in the field of OA as it provides a novel strategy for OA treatment.
A Vicious Cycle of Heart Failure and Dementia
https://www.fightaging.org/archives/2023/03/a-vicious-cycle-of-heart-failure-and-dementia/
The end of life is not pretty. The body is a failing machine of many complex essential parts, and the failures cascade and feed into one another as it breaks down. There is pain, loss of capacity, loss of the self as the brain runs down. There is a tendency to paper over the ugly reality in public discussion, to not talk about the facts of the matter,...
Source: Fight Aging! - March 26, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Cellular Senescence in Type 2 Diabetes
It has been a few years since researchers suggested a role for senescent cells in mediating the damage done by excess fat tissue in the context of type 2 diabetes. Senescent cells accumulate with age, but accumulate significantly faster in people who are meaningfully overweight or obese. The inflammatory signaling produced by lingering senescent cells is disruptive of tissue structure and function throughout the body, and that includes problems in the insulin-generating regions of the pancreas that take place in diabetes patients. Interestingly, senescent cells may also be important in type 1 diabetes, a completely differe...
Source: Fight Aging! - March 20, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Fight Aging! Newsletter, March 20th 2023
This study also provides the potential for de novo generation of complex organs in vivo.
T Cells May Play a Role in the Brain Inflammation Characteristic of Neurodegenerative Conditions
https://www.fightaging.org/archives/2023/03/t-cells-may-play-a-role-in-the-brain-inflammation-characteristic-of-neurodegenerative-conditions/
Alzheimer's disease, and other forms of neurodegenerative condition, are characterized by chronic inflammation in brain tissue. Unresolved inflammatory signaling is disruptive of tissue structure and function. Here, researchers provide evidence for T cells to become involved in this...
Source: Fight Aging! - March 19, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, March 13th 2023
In this study, we report the extensive and progressive accumulation of misfolded proteins during natural aging/senescence in different models, in the absence of disease. We coined the term age-ggregates to refer to this subset of proteins. Our findings demonstrate that age-ggregates exhibit the main characteristics of misfolded protein aggregates implicated in PMDs, including insolubility in detergents, protease-resistance, and staining with dyes specific for misfolded aggregates. Misfolded protein aggregates with these characteristics are thought to be implicated in some of today most prevalent diseases, including Alzheim...
Source: Fight Aging! - March 12, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Comparing Protein Restriction and Isoleucine Restriction in Aged Mice
Proteins are made up of amino acids. It is known that reducing only protein in the diet, while maintaining the same calorie intake, produces a modest slowing of aging. Some of the beneficial effects of reduced calorie intake, such as upregulation of autophagy and improved cell maintenance, are triggered by sensing protein levels rather than other components of diet. The sensor mechanisms are more specific than simply protein as a whole, however, and can be triggered by reducing levels of individual essential amino acids, meaning amino acids that are required for protein synthesis in cells, but must be consumed because they...
Source: Fight Aging! - March 9, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Fight Aging! Newsletter, February 27th 2023
This study tested the hypothesis that ischemic vascular repair in aging by Ang-(1-7) involves attenuation of myelopoietic potential in the bone marrow and decreased mobilization of inflammatory cells.
Young or Old male mice of age 3-4 and 22-24 months, respectively, received Ang-(1-7) for four weeks. Myelopoiesis was evaluated in the bone marrow (BM) cells by carrying out the colony forming unit (CFU-GM) assay followed by flow cytometry of monocyte-macrophages. Expression of pro-myelopoietic factors and alarmins in the hematopoietic progenitor-enriched BM cells was evaluated. Hindlimb ischemia (HLI) was induced by ...
Source: Fight Aging! - February 26, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, February 20th 2023
In this study, researchers stimulate the ghrelin receptor using a suitable small molecule for much of the lifespan of mice, and observe the results. The overall extension of life span is a quarter of that produced by calorie restriction, and so we might draw some conclusions from that as to the relative importance of hunger in the benefits resulting from the practice of calorie restriction or fasting. Interestingly, the short term weight gains observed in mice given this ghrelin receptor agonist in the past don't appear in this long term study, in which the controls are the heaver animals. This is possibly because the rese...
Source: Fight Aging! - February 19, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Fight Aging! Newsletter, February 13th 2023
This study investigated whether taller Polish adults live longer than their shorter counterparts. Data on declared height were available from 848,860 individuals who died in the years 2004-2008 in Poland. To allow for the cohort effect, the Z-values were generated. Separately for both sexes, Pearson's r coefficients of correlation were calculated. Subsequently, one way ANOVA was performed.
The correlation between adult height and longevity was negative and statistically significant in both men and women. After eliminating the effects of secular trends in height, the correlation was very weak (r = -0.0044 in men and ...
Source: Fight Aging! - February 12, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Reviewing the Development of Senotherapeutics
Today's open access paper is a very readable tour of the present state of research and development of therapies targeting senescent cells, whether to destroy them or alter their function in favorable ways. In both cases the primary goal is to reduce the senescence-associated secretory phenotype (SASP), the pro-growth, pro-inflammatory signaling that contributes to degenerative aging as the number of senescent cells rises over the course of later life. It is hoped that clearance of senescent cells will produce a sizable positive impact for late life health, reducing chronic inflammation, slowing the onset of near all age-re...
Source: Fight Aging! - February 7, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Aging as a Disease: a Zoo Contains Animals, But is Not Itself an Animal
The author of today's open access commentary is quite prolifically opinionated on the topic of mTOR and its status as a central pillar of programmed aging, particularly the hyperfunction version of programmed aging theories. Nonetheless, he sometimes has interesting things to say, as is the case here on the topic of whether aging is a disease. A great deal of ink has been spilled of late on the question of whether or not aging is a disease. This is the case not because everyone suddenly developed an interest in semantics, but rather because it directly affects the regulation of medical development, and thus the flow of fun...
Source: Fight Aging! - February 6, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
A Popular Science Article on Senescent Cells and Efforts to Clear them from the Aging Body
Senescent cells are constantly created and destroyed in the body, but begin to linger with advancing age. The secretions produced by senescent cells are useful in the short term, but increasingly harmful when maintained over the long term, inflammatory and disruptive of tissue structure and function. The production of senolytic drugs to clear senescent cells from aged tissues is an established area of research and clinical development, but is proceeding just as slowly as these matters usually do. The early senolytic combination of dasatinib and quercetin appears quite good, but will not be further developed by industry bec...
Source: Fight Aging! - February 6, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Fight Aging! Newsletter, February 6th 2023
In conclusion, our study reveals that aging enhances atherosclerosis via increased inflammation of visceral fat. Our study suggests that future therapies targeting the visceral fat may reduce atherosclerosis diseaseburden in the expanding older population.
Is the Gut a Significant Source of Amyloid-β in Alzheimer's Disease?
https://www.fightaging.org/archives/2023/02/is-the-gut-a-significant-source-of-amyloid-%ce%b2-in-alzheimers-disease/
The early stages of Alzheimer's disease are characterized by rising levels of amyloid-β in the brain and the formation of misfolded amyloid aggregates. It is presentl...
Source: Fight Aging! - February 5, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
