Articles tagged with Life Span
A new study published in Science Advances reveals that right whales can survive for over 130 years, with some individuals possibly reaching 150 years. This discovery highlights the impact of human activities on whale lifespans, particularly entanglement in fishing gear and ship strikes.
The global prevalence of autism spectrum disorder (ASD) varies by sex and region but persists globally across all age groups. ASD is significantly higher among males, with a higher prevalence in High-Income Asia Pacific regions.
The study found that individuals with accelerated biological ageing had poorer health outcomes, while those with decelerated ageing had weaker links to good health. Metabolomic ageing clocks have the potential to identify early signs of declining health and inform preventative strategies.
Researchers at Ohio State University found that prolonged exposure to wildfire pollution can decrease life expectancy by about one week. Living in green neighborhoods with more extensive greenspaces can be beneficial for health, but even small increases can lead to slight life expectancy gains.
A recent study published in JAMA Network Open reveals significant disparities in healthspan-lifespan gaps among 183 WHO member states. Women globally exhibit a larger healthspan-lifespan gap compared to men, highlighting the need for targeted interventions to address these disparities and promote healthy aging.
A Mayo Clinic study found a widening global gap between lifespan and healthspan, with the US and women experiencing the largest disparities. The research suggests that while people are living longer, they are not necessarily living healthier lives.
A pooled analysis of four multinational cohort studies found consistent associations between physical activity and reduced all-cause mortality risk throughout adulthood. The promotion of regular physical activity is essential for reducing mortality risk at all stages of adult life.
Research found that iron oxide nanoparticles reduce the lifespan, longevity, and reproductive ability of Enchytraeus crypticus in a 202-day study. Population density may influence nanoparticle toxicity, with lower-density groups experiencing greater harm.
Researchers synthesizing AI with biomarker analysis aim to detect early signs of aging and enable targeted interventions to delay disease. This approach has the potential to slow, prevent or reverse certain effects of aging.
A new study by University of Technology Sydney researchers challenges the Infinite Monkey Theorem, finding it unlikely a monkey can type out Shakespeare's works before the universe ends. With around a 5% chance, even an increased number of monkeys would not produce the Bard's entire works.
Researchers analyzed correlations between fruit fly and human data to identify key metabolites impacting lifespan. Threonine was found to extend lifespan in flies and show promise as a therapeutic target for aging interventions.
A new study reveals that Oriental hornets are the only animals capable of consuming high concentrations of alcohol chronically without ill effects. The research found that the hornets metabolize alcohol rapidly and show no signs of intoxication or illness, even after consuming high amounts.
A comprehensive study examining over 16,000 necropsy records from 292 vertebrate species found significant differences in cancer prevalence. Cancer rates increase with body size and cellular mutation rates but decrease with longer gestation periods.
Researchers at USC Dornsife discover that mifepristone increases mitophagy to the same extent as rapamycin, potentially extending lifespan. The study found that combining the two drugs does not offer additional benefits and slightly reduces lifespan, suggesting they act through the same biological pathway.
Researchers found that ACLY activity activates the senescence-associated secretory phenotype (SASP), a pro-inflammatory environment associated with chronic inflammation and aging. Blocking ACLY activity reduces inflammation-related genes in aged cells, suggesting a potential strategy for managing aging and age-related diseases.
Researchers at Brown University have found a way to extend the lifespan of flies by suppressing a hormone that regulates insulin secretion. The study suggests that certain medications used to treat human obesity and diabetes may also impact aging, making it a promising area of research for future studies.
A recent study by The Jackson Laboratory reveals that reducing calorie intake can significantly extend the lifespan of mice, with the most robust animals living the longest. However, the researchers found that losing weight on these diets had a negative impact on lifespan in humans.
A recent study by UC San Francisco and the University of Michigan found that childhood trauma can lead to increased pain, depression, and loneliness in older adults. Participants who experienced more traumatic events were more likely to experience these symptoms during their final years.
Researchers found that single-housed adult fish exhibited a longer egg-laying period and slower aging process compared to group-housed counterparts. The study suggests that early-life social environment may influence life-long attributes beyond the typical relationship between growth rate and lifespan.
A new study published in Communications Psychology found that older adults (60+ years) are more susceptible to social influence when making impulsive financial decisions. In contrast, younger adults tend to stick to their original preference even after seeing others opt for the impulsive option.
Researchers from the University of California, Davis, present a comprehensive framework for analyzing longitudinal activity and behavior. By employing advanced statistical techniques, they explore the relationship between activity and age-at-death in Mediterranean fruit flies, shedding light on potential links to human lifespan.
Researchers developed a cumulative adversity index for yellow-bellied marmots, showing that early life stressors can have lasting effects on their survival and lifespan. The study found that moderate and acute adversity decreased pup survival rates by 30% and 40%, respectively.
A novel deep learning model, DS-ViT-ESA, was developed to predict lithium battery lifespan with high accuracy using only a small amount of charging cycle data. The model achieved low prediction errors even when tested on unseen charging strategies, demonstrating its zero-shot generalization capability.
A new study from Harvard T.H. Chan School of Public Health found that higher exposure to fine particulate air pollution (PM2.5) during infancy is associated with lower economic earnings in adulthood. The association was strongest in the Midwest and South, where an increase in PM2.5 exposure by one microgram per cubic meter was linked t...
Researchers found Numt insertions arise spontaneously and accumulate in brain tissues during development or lifespan. These insertions are prevalent in the human brain and can be found in fibroblasts.
A new study published in PLOS ONE found that homicide rates were the leading contributor to the racial gap in life expectancy between Black and White men during the COVID-19 pandemic. The study revealed that homicides accounted for nine times more of the racial gap in lifespan variability than deaths from COVID-19.
Researchers analyzed fossilized tooth roots of ancient mammals, finding growth rings that revealed lifespans of eight to fourteen years. These early mammals grew more slowly but lived substantially longer than their modern descendants.
Researchers used synchrotron X-ray tomography to image growth rings in fossilized tooth roots, estimating lifespans and growth rates of early mammals. The study found that the modern mammal growth pattern emerged around 130 million years ago, with earlier animals growing more slowly and living longer.
Researchers discovered a monthly treatment that extended the lives of mice by 9%, allowing them to live healthier for longer periods. The treated mice retained their physical function and overall frailty until the end of their lives, unlike controls, which showed significant declines in health.
A panel of experts has reached consensus on fasting terminology to enhance communication and cross-referencing in the field. The defined terms include 'fasting,' 'modified fasting,' and 'religious fasting,' among others, aiming to steer people away from unverified diets that can lead to unhealthy behaviors.
A new study published in Menopause suggests that a longer reproductive lifespan is associated with a lower prevalence of multimorbidity in postmenopausal women. The study found that women with longer reproductive lifespans had lower risks of cardiovascular disease, osteoporosis, and other chronic diseases.
A study published in JAMA Network Open found that years of high systolic blood pressure increase the risk of stroke, with Black and Hispanic patients facing a higher risk. Early diagnosis and controlled high blood pressure are crucial to preventing stroke, especially in these populations.
A new study published in Aging explores the potential of three large DNA methylation datasets to identify biological age signals in dogs. The researchers found that biological age methylation clocks are affected by population stratification and require heavy parameterization to achieve effective predictions.
A team of scientists from Duke-NUS Medical School has identified interleukin-11 as a principal factor in ageing, linked to increased fat accumulation and muscle loss. Blocking the effects of IL11 could potentially increase healthy lifespan by up to 25%.
Researchers discovered that deactivating IL-11 increases healthy lifespan by 20-25% in mice, with reduced cancer deaths, fibrosis, chronic inflammation, and improved muscle strength. The findings raise the possibility of using anti-IL-11 treatments to study aging in humans.
A team of scientists from Max Planck Institute found that extremely long-lived proteins in the ovary play a crucial role in preserving fertility. These proteins, known as chaperones, help maintain cellular processes and prevent misfolded proteins from aggregating.
Researchers have discovered that the Greenland shark's metabolism remains unaltered over time, suggesting a key role in its exceptional longevity of at least 270 years. The study also found that metabolic enzymes were more active at higher temperatures, challenging previous assumptions about the species' adaptation to cold environments.
Researchers found that touch sensitivity declines only in hairless skin regions with age, such as the hands, while hairy areas like cheeks remain sensitive. The study suggests that hairy skin may act as an antenna to transmit mechanical stimuli and preserve touch sensitivity.
A study by researchers at the Center for Genomic Regulation found that changes in mRNA content between germline and somatic cells are the primary source of variation in lifespan. Knocking down specific genes increased life expectancy, suggesting randomness in gene activity affects ageing.
Researchers developed a unique electrochemical ultrasonic force microscopy (EC-UFM) technique to observe sodium-ion battery interfaces during operation. The new method guides passivating layer formation, preserving charge carrier transport and enhancing battery performance.
Researchers found that lithium's efficacy in enhancing longevity and altering body composition is influenced by the sucrose content of the diet. The study reveals a significant overlap between the transcriptional responses to increasing dietary sucrose and adding lithium, suggesting a joint mechanism at play.
A new atlas provides a detailed map of how cells and tissues age in roundworms, shedding light on the aging process and potential treatments. The study reveals unique aging features of different tissues and identifies key mechanisms underlying cellular aging.
Researchers discovered that T-cell aging is not limited by organismal age, and healthy T cells can proliferate indefinitely. The epigenetic clock of T cells shows that death is not the end, and these cells do not plateau with age, defying traditional notions of cellular aging.
A study published in Science Advances reveals that germ cells drive sex-dependent lifespan differences in vertebrate animals. Removing these cells led to similar lifespans in males and females of the turquoise killifish species. Vitamin D was also discovered to have a role in improving longevity, with supplementation extending life spans.
The CCR4-NOT complex plays a crucial role in regulating RNA metabolism and stress response in C. elegans, compromising stress resistance and decreasing lifespan when depleted of subunits. This study highlights an important new role for the CCR4-NOT complex in normal aging and longevity.
A special issue of the Journal of Pediatric Rehabilitation Medicine explores cerebral palsy beyond childhood, highlighting topics like mental health, sexuality, and independence in adults. The issue aims to address long-overlooked aspects of CP care, promoting a broader perspective for improved patient outcomes.
A cohort study of Japanese older adults found that upward and downward socioeconomic status transitions were associated with an increased risk of dementia. The study also revealed a link between social mobility and the length of dementia-free periods throughout life.
A new study published in Scientific Reports found that declining childhood mortality has added a full year to women's lives. The study used mathematical modeling based on CDC data and estimated that the reduction in maternal bereavement adds one year, or about 6%, to life expectancy.
A new study reveals sex-specific effects of germline regulation on longevity and somatic repair in vertebrates. Removing the germline extends male lifespan and improves stress resistance in females.
A study of the first 200 athletes to run a mile in under 4 minutes found that they lived nearly 5 years beyond their predicted life expectancy. The runners, who were born between 1928 and 1955, outlived the general population by several years on average, with those whose first successful attempt was in the 1950s living an average of 9 ...
A new study found that loneliness grows as people age, with a U-shaped pattern of higher levels in younger and older adulthood. Factors associated with persistent loneliness include social isolation, lower education, income, and functional limitations, as well as being divorced or widowed, a smoker, or having poorer health.
A University of California - Riverside study finds that medium-sized dogs have a higher risk of developing cancer than larger or smaller breeds. The multistage model of cancer acquisition supports this finding, suggesting that size is a major risk factor for cancer.
Researchers identified 35-63 proteins affecting severe COVID-19, hospitalization, SARS-COV2 infection, and 4-32 proteins for healthspan and lifespan. Novel proteins involved in inflammation, immunity, apoptosis and metabolism were also found.
Researchers assessed swimming performance and survival under stress to evaluate the effects of three compounds on health and lifespan in Caenorhabditis. The study found complex relationships among median lifespan, oxidative stress resistance, thermotolerance, and mobility vigor.
A study published in the New England Journal of Medicine provides recommendations for protein, carbohydrates, fat, fiber, and water intake at various stages of life to support overall health. The guidance, developed by Dr. Steven Heymsfield and Dr. Sue Shapses, aims to promote personalized diets with key macronutrients.
A new review article highlights the complexities of stroke risk in women, which extends beyond age and includes various modifiable and non-modifiable factors. Women are more sensitive to high blood pressure, and other disorders such as late puberty, early menopause, pregnancy, and hormonal therapy also significantly affect their risk.
Female whales of certain species experience menopause, living up to 40 years longer than their peers by prioritizing family care over breeding. This unique trait allows them to support their offspring and grandchildren without overlap with their daughters' reproductive cycles.
The lack of standardized controls in lifespan studies leads to misleading outcomes and makes it difficult to compare results. Researchers propose solutions for quality control by checking inter- and intra-study consistency of lifespan data.
Researchers discovered that two types of TORC1 complexes in yeast play unique roles in cellular responses to stress and lifespan regulation. The study's findings provide new insights into molecular evolution, cellular signaling pathways, and age-related diseases, offering promising avenues for human health advancements.
Researchers found that rapamycin extends lifespan by regulating the activity of protein S6K, which influences the endolysosomal system. This leads to improved immune function and clearance of bacterial infections at old age.