Articles tagged with Life Span
A new study reveals that blocking the production of a naturally occurring protein responsible for transporting fats around the body increases life span in nematodes and mice. The research suggests that this protein, VIT, hinders essential cell functions and prevents the reuse of fats for healthier purposes.
A new study investigates the relationships between genetic background, physical activity level, and lifespan. The findings reveal that same genetic factors affect physical activity level, aerobic capacity, and lifespan in both animal models and human twins. Voluntary running improved glucose metabolism but did not increase lifespan in ...
A new Canadian guideline provides recommendations for diagnosing fetal alcohol spectrum disorder (FASD), a neurodevelopmental disorder resulting from prenatal alcohol exposure. The guideline recommends counseling women and their partners about abstinence during pregnancy, screening pregnant women for alcohol use, and conducting complet...
Researchers discover regulatory mechanism that extends 'healthspan', the time an organism is at its optimal health, using C. elegans roundworms. Maximum velocity (MV) of wild-type worms at day 9 adulthood reliably predicts longevity and physical decline.
A new supplement published by the NIH details a research strategy to tackle global brain disorders, which affect millions worldwide. The initiative aims to improve diagnosis, treatment, and prevention of conditions such as depression, dementia, and substance abuse in low- and middle-income countries.
Scientists at Sanford Burnham Prebys Medical Discovery Institute have identified a mechanism by which secreted proteins age and turnover, shedding light on health and disease. The discovery highlights the importance of N-glycan remodeling and lectin recognition in regulating protein abundance.
Researchers at UCSB have discovered a mechanism by which secreted proteins age and turn over, shedding light on a crucial aspect of health and disease. The discovery identifies over 600 proteins with molecular signs of aging and turnover, including regulators of proteolysis, blood coagulation, and immunity.
Researchers used Caenorhabditis elegans worms to develop a method to predict lifespan based on metabolic profiles. The study found that middle age was a key turning point in aging, with normal lifespan worms aging 40% faster than long-lived counterparts at this stage.
Researchers at the Buck Institute have identified 238 genes that, when removed, increase the replicative lifespan of yeast cells. The study also reveals a link between these genes and caloric restriction, DNA damage control, and age-extending pathways in higher organisms.
Researchers at Uppsala University have developed an anti-aging treatment for smart windows by rejuvenating electrochromic layers, reducing their lifespan. The new method could also be applied to electric batteries, making them more profitable.
A study of 1.17 million patients on dialysis found that tallness was associated with higher premature mortality risk and shorter life spans, especially in white, Asian, and American Indian/Alaskan native patients. The association persisted even after adjusting for concurrent illness and care differences.
Researchers found a network of DNA sequence variations associated with high survival rates among long-lived smokers, suggesting that genetics play a role in stress resistance and genomic stability. These genetic markers were also linked to a nearly 11% lower cancer prevalence.
A recent study suggests that grandmothering played a crucial role in the development of human pair bonds, which distinguish us from other primates. With increasing human longevity, grandmothers helped feed their weaned children, allowing their daughters to have more kids and passing on genes.
A team of scientists has discovered that gene regulatory networks are inherently unstable, leading to aging and disease. Stabilizing these networks could lead to therapies against age-related diseases and increased lifespan.
Experiments with yeast and worms found that incorrect gene expression is a hallmark of aged cells. Reducing such noise extends lifespan in these organisms, with a 30% increase in some strains. Researchers are now investigating the potential for this longevity pathway to be applied to mammalian cells.
A special issue of Cell Stem Cell highlights the biology of aging and sex differences in stem cell behavior. Research suggests that estrogen may play a role in increasing lifespan in females, while testosterone may have different effects on males. Scientists are also exploring ways to model late-onset conditions using stem cells.
A recent study by UC San Diego researchers found a correlation between CD33rSIGLEC gene copy number and maximum lifespan across 14 mammalian species. Mice lacking this gene also showed signs of accelerated aging and higher levels of reactive oxygen species.
Researchers at USC discovered a compound that extends the life span of female fruit flies by 68%, challenging existing methods used to study genetic causes of aging. The finding opens up new avenues for investigating longevity and identifies potential candidate genes and mechanisms.
Researchers discovered that mild malaria infections in birds accelerated telomere shortening, leading to premature death. Infected individuals produced fewer offspring despite no visible symptoms.
A UMass Medical School study found that long-lived C. elegans mutants spend more time in a frail state than healthy ones, challenging the assumption that longevity and health are linked. The researchers identified genes that control 'healthspan' as separate from those influencing lifespan.
Research published in the journal PLOS Genetics reveals that regular doses of ibuprofen extended the lifespan of multiple species by 15%, potentially adding a decade or more to healthy living. The study's findings suggest that common drugs like ibuprofen may hold key to understanding and extending human health span.
A study published in PLoS Genetics found that ibuprofen extended the lifespan of yeast, worms, and fruit flies, with treated organisms living up to 15% longer. The research suggests that ibuprofen impacts a process not yet implicated in aging, offering a new approach to studying and understanding the aging process.
Life expectancies for black people are shorter and more uncertain than those of whites. Researchers found that higher rates of white deaths among the young offset the higher homicide rates among blacks. Targeted interventions for sex and race may help reduce the disparity in lifespan variability.
A study combining data from 12 British studies found that men are stronger than women after adolescence, but both reach peak strength in their thirties before weakening with age. The research provides reference charts for grip strength at different ages, aiding the identification of weak grip strength and potential health risks.
A study found that female flies live longer than males when subjected to mate competition and juvenile survival pressures. The research suggests that the sexes respond differently to selection regimes, with males being more affected by natural and sexual selection on their lifespan.
Researchers propose a new strategy for preventing age-related diseases, focusing on treating metabolic and molecular causes. They suggest lifestyle interventions such as personalized diets and exercise programs to delay chronic disease onset.
A study found that oral contraceptive users have significantly lower measures of ovarian reserve compared to non-users, with a marked suppressive effect on anti-Mullerian hormone and antral follicle count. The results suggest that women taking the Pill may need more frequent assessments of their reproductive status.
Researchers reconstituted VcINDY into liposomes to analyze its properties as a transporter, providing insights into the cellular level functionality of SLC13 transporters. This study paves the way for targeting these transporters to combat metabolic disease and obesity.
The American Aging Association Meeting presented new findings on the role of mTor in aging, as well as insights into the impact of circadian rhythms on lifespan. Researchers also explored the potential of the FAT10 gene and its role in aging research.
A study found that metformin causes an increase in toxic oxygen molecules, which surprisingly increases cell robustness and longevity. Cells use these particles to their advantage, extending healthy lifespan.
A new Rotman study found that marketing strategies should consider the consumer life-cycle when targeting technology adoption. The research reveals that older consumers may face limited future benefits, but can be encouraged to adopt new technologies through targeted incentives.
Researchers have found that blocking a pain receptor in mice extends their lifespan and boosts their metabolism, including an improved insulin response. This discovery provides potential insights into treating obesity and diabetes, as well as improving metabolic health.
Researchers discovered that blocking pain receptors, specifically TRPV1, can extend lifespan in mice by promoting a youthful metabolism and reducing the risk of age-related diseases like diabetes. The study also found that diets rich in capsaicin, a compound found in chili peppers, may help improve metabolic health and longevity.
Researchers aim to develop drug candidates that could reverse effects of poor early diets, potentially improving human healthspan. Early nutrition plays a critical role in lifelong health, with imbalanced diets during childhood increasing risk of obesity, diabetes, and heart disease.
Researchers found that suppressing taste buds in fruit flies can significantly increase or decrease lifespan and potentially promote healthy aging. Bitter tastes had negative effects on lifespan, while sweet tastes had positive effects, particularly for water taste.
A Penn-led study reveals a new molecular circuit controlling longevity in yeast and complex organisms, which may offer a therapeutic intervention to mimic caloric restriction's lifespan-enhancing effects without dietary restrictions. The findings suggest a potential strategy for combating aging-related disorders in humans.
A new experimental drug has been developed that inhibits the aging protein PAI-1, quadrupling the lifespan of rapidly aging mice. The drug, TM5441, also protects organs from accelerated aging and may one day be used to treat human diseases like chronic kidney disease and diabetes.
Researchers found that regular churchgoers, married people, and those with harmonious social ties are most satisfied with their love lives. The study also revealed that education does not impact love life satisfaction but religious involvement does, with believers having positive attitudes towards their relationships.
A recent study found that glucosamine supplementation extended the lifespan of nematode worms by 5% and ageing mice by almost 10%, promoting glucose metabolism and protection against diabetes. This effect is comparable to a low-carb diet, suggesting a potential health benefit for humans.
A new evolutionary theory proposes that consuming a very low-nutrient diet can increase human lifespan. Laboratory animal studies have shown that severely restricted food intake reduces the incidence of diseases and increases lifespan, likely due to increased cellular recycling mechanisms.
Researchers at UNSW Australia propose that very low nutrient diets may extend lifespan in laboratory animals by increasing cellular recycling and repair mechanisms. This effect could potentially lead to longer, healthier lives for humans through a better understanding of these cellular recycling mechanisms.
Two studies suggest that low protein intake may be beneficial for longevity until old age, while high-protein diets are associated with increased cancer risk and mortality. High-quality protein with low fat and complex carbohydrates is recommended for optimal health and long life.
Researchers found that SRT1720 supplementation significantly extended mouse lifespan by 8.8% while reducing body weight, improving muscle function, and lowering cholesterol levels. The study suggests a potentially promising strategy for improving human health and longevity.
Professor Daniel K. Mroczek has discovered that certain personality traits are associated with better physical and mental health outcomes throughout life. His research suggests that many adults remain fit and engaged until late in life, maintaining fulfilling social relationships.
Researchers discovered a widespread longevity mutation in fruit flies, found in 17 of 22 lines gathered from around the globe. The mutation, called Hoppel, was linked to increased life span and reproductive fitness in heterozygous flies.
Researchers at Oxford University found that flies living with their brothers cause less harm to females during courting than those living with unrelated flies. This is because related flies are more relaxed in their mating approach and spend less time harassing females, resulting in fewer fights and reduced fecundity for females.
A study published in Cell found that altering the symbiotic relationship between bacteria and intestinal cells can promote health and increase lifespan in flies. The research highlights the importance of maintaining a balanced gut microbiome and suggests that this may be key to enjoying a long healthy life.
A computer algorithm developed by Tel Aviv University identifies genes that could be transformed to stop the aging process. The algorithm predicts which genes can be turned off to create the same anti-aging effect as calorie restriction, potentially leading to new treatments for aging and other metabolic disorders.
Research in C. elegans reveals a synergistic five-fold extension of longevity through combined mutations in insulin signaling and the nutrient pathway. This finding suggests the potential for combination therapies to combat aging and age-related diseases.
The new journal Mental Health & Prevention aims to provide a platform for researchers and practitioners to present their work and keep up-to-date with the latest advances in mental health promotion. The journal will publish high-quality reviews, original research, and other papers related to prevention strategies.
A study published in Nature has cataloged 46 species with their mortality and fertility rates, revealing extraordinary diversity in aging processes. This challenges current explanations, which predict that the probability of dying rises with age, as seen in humans, but contradicted by species like the desert tortoise and white mangrove.
Researchers at Rhode Island Hospital validated the Critical-Care Pain Observation Tool (CPOT) as an accurate measure of pain level in non-verbal cardiac surgery patients. The study found that CPOT provides a reliable tool for pain assessment, improving patient outcomes such as reduced ventilator use and better pain management.
Researchers found that males secrete signaling molecules that shorten the lifespan of hermaphroditic females by more than 20%. The effect persists even when genders are separated or females are sterile, indicating it's not due to physical stress or energy demands. Pheromone production is also linked to male-induced demise.
A study at Brown University found a connection between protein quality control in muscle tissue and lifespan in fruit flies. Suppressing the activity of activin, a protein complex involved in muscle performance, increased life span by up to 20%. The researchers also discovered a potential link between this protein interplay and human a...
Researchers at Bradley Hospital found that healthy adolescents with shorter sleep patterns were more prone to acute illnesses, while consistent sleep schedules reduced the risk of illness. The study suggests prioritizing regular sleep can help teenagers stay healthier.
A new study by Yale University researchers found that older adults are more risk-averse than their midlife counterparts when choosing between possible gains, but more risk-seeking when choosing between losses. The study suggests important policy implications for decision-making across the lifespan.
Researchers have identified a mechanism by which Sirt1 promotes neural activity in the brain, leading to significant delays in aging and increases in longevity. The study found that mice with increased Sirt1 expression in their brains exhibited dramatic physical changes, including improved muscle structure and vigor.
Researchers extended mouse lifespan by 20% through gene manipulation, with some organs aging better than others. This increase is equivalent to a 16-year boost in human lifespan, offering insights into aging and potential therapies for age-related diseases.
Bartke, a renowned gerontologist, has made groundbreaking contributions to understanding aging and longevity. His work on the growth hormone/IGF/insulin axis pathway has significantly advanced our knowledge of this complex process.
Rapamycin treatment improved memory, reduced thyroid follicle size, and decreased cancer rates in older mice. However, its effects were age-independent, with similar benefits seen in young mice, suggesting a potential use for relieving some age-related conditions.