Articles tagged with Life Span
A study led by Max Planck researchers found that parrots with large relative brain sizes have longer lifespans, averaging up to 30 years. This suggests that increased cognitive ability may help parrots navigate threats and enjoy longer lives.
A systematic review and meta-analysis of 26 studies found music interventions to be associated with clinically meaningful improvements in health-related quality of life. The study suggests that music-making and listening may have a positive impact on overall well-being, particularly for individuals with health conditions.
A new study by researchers in Ontario found that pandemic-related slowdowns of cancer surgeries resulted in 843 life-years lost across the province's cancer population. The study highlights the need for measures of surgical prioritization during pandemic-related slowdowns.
Researchers at Pusan National University have developed oxidation-resistant copper thin films, which could potentially replace gold in semiconductor devices. The films' flat surface reduces the growth of copper oxides on its surface, making them resistant to corrosion.
Researchers at University of Cologne discovered that specific diets can safeguard against acute kidney injury in mouse models. The six tested diets showed overlapping changes in cysteine catabolism as a potential mechanism for organ protection.
A study in rural Ethiopia found that community-based rehabilitation, supported by local health centers and medication, reduced symptoms and improved functioning for individuals with schizophrenia. Community-based rehabilitation workers also helped participants access healthcare services and support their families.
A new study published in PLOS Medicine found that the number of healthy years a person lives is increasing even for those with common chronic conditions. However, men and women with cognitive impairment experienced a decrease in disability-free life expectancy.
A study published in Nature Metabolism found that body temperature has a greater impact on lifespan than metabolic rate, contrary to the traditional 'live fast, die young' phrase. The researchers used an unusual experiment where high temperatures increased lifespan by lowering metabolism and reducing body temperature.
Researchers found that GlyNAC supplementation can increase lifespan and improve multiple key age-associated defects in mice. The supplement corrected glutathione deficiency, oxidative stress, mitochondrial dysfunction, and other hallmarks of aging.
A longitudinal study confirmed that adults' religious styles change over a person's lifetime, with most participants moving to a higher style. Factors such as openness to experience and low agreement with their own religion supported this progression, while regression was also observed in a significant number of cases.
Researchers have developed a new model system using Daphnia to study aging, focusing on interventions that extend active life and health rather than just lifespan. This approach addresses existing problems in the field, such as lack of standardized data and misinterpretation of results.
A study led by LSU researchers has found that a natural plant extract called Artemisia scoparia can increase the lifespan of roundworms by 40% and improve their metabolic health. The extract, which is native to Asia, was fed to worms in various doses and showed significant effects on fat regulation and stress resistance.
Researchers at MDI Biological Laboratory discovered that age-related chronic inflammation is caused by disruption of chromatin architecture. This leads to misexpression of genes lacking CpG islands, resulting in inflammation and loss of cellular function. The findings provide a unifying theory for the age-related degenerative diseases.
A new study has discovered that as brains mature, the precise ways in which two key memory regions communicate make us better at forming lasting memories. The findings also suggest how brains learn to multitask with age, with slower oscillations in older participants and faster oscillations in younger ones.
A new study found that calorie restriction improves metabolic and immune responses, generating more T cells to fight off infections and improve energy efficiency. This could lead to a potential treatment to reduce age-related inflammation and improve metabolic health.
A dietary supplement combining 5-aminolevulinic acid and sodium ferrous citrate helps slow down aging-related muscular decline in fruit flies. The study reveals improved muscle architecture and mitochondrial function, offering a potential therapeutic option to address age-related muscle health.
A study published in Science Advances reveals that individuals with less memory loss in old age tend to gain more knowledge, contrary to the previously assumed compensatory power of crystallized abilities. The findings suggest a strong dependency between changes in fluid and crystallized abilities.
A new study published in Genome Research has identified a group of genes that play a crucial role in building cellular components and may contribute to human longevity. Inhibiting these genes may increase lifespan by reducing their impact on the body later in life.
Researchers mapped genetic interactions in C. elegans to identify new genes influencing lifespan and their human equivalents. The study reveals that most key longevity genes belong to transcription factors and metabolic genes.
Researchers discovered that infections improve the production and function of naïve T cells, the body's first line of defense against disease. This mechanism involves interleukin 7 and MHC molecules, which signal naïve T cells to stay alive and receive optimal metabolic signals.
Researchers at MDI Biological Laboratory discovered that muscle tissue is protected from reduced protein synthesis during nutrient scarcity, accelerating growth and reproduction. The study suggests potential for developing anti-aging drugs preserving muscle tissue while prolonging lifespan.
Research from Harvard University reveals that physical activity later in life shifts energy towards mechanisms that extend health, reducing chronic illnesses. The study highlights the importance of staying physically active as we age to allocate energy to physiological processes that slow down deterioration.
A new study by the University of Oslo found that brains with an older appearance are associated with lower birth weights and a genetic tendency towards smaller brain size. The researchers measured the pace of brain aging in 1,500 adults over 10 years and found no strong correlation between estimated brain age and future brain changes.
A genetic comparison of nearly two-thirds of the known species of rockfish pinpoints genes linked to their varying lifespans, which range from less than a decade to over 200 years. The study highlights trade-offs of long lifespan, including smaller populations and adaptations that increase survival
Researchers at Salk Institute discovered that long-lived mitochondrial proteins remain stable for an extended period, protecting them from damage. This stability allows these proteins to maintain mitochondrial function even when new ones are synthesized, providing protection against errors and energy-conservation benefits.
Researchers found that regular cycles of a fasting-mimicking diet in mice helped counteract the negative effects of a high-fat, high-calorie diet. The study suggests that this diet may have potential as 'medicine' to prevent obesity and heart disease.
A study of roundworms found that older parents can produce larger, faster-developing offspring with better reproductive success, challenging the notion that old parental age is detrimental. The research showed that older parents invest more nutrients in eggs, resulting in larger offspring.
This observational study found that precancer characteristics and postcancer health services are associated with an increased risk of suicidal self-directed violence among US veteran survivors of head/neck cancer. The study highlights the need for comprehensive care and support for these individuals.
Researchers at University College London discovered that worm mothers secrete a milk-like fluid to support their offspring's growth. This unique selfless act helps explain mysteries about the biology of ageing in nematode worms, which could have far-reaching implications for understanding human ageing.
A recent study published in CANCER found that cancer significantly reduces the life expectancy of transplant recipients, particularly those who receive lung or heart transplants. The average lifespan lost due to cancer diagnosis among these patients is approximately 2.7 years.
Researchers at UC Berkeley found that tumors release chemicals compromising the blood-brain barrier, leading to inflammation and tissue wasting. Blocking these chemicals could extend life span and improve health for cancer patients, reducing the need for toxic drugs.
A recent study published in Cell Metabolism found that reducing naturally occurring errors in protein synthesis improves both health and lifespan. By engineering a mutation in ribosomes, researchers observed fewer protein mistakes and improved heat resistance, leading to longer lifespans in yeast, worms, and fruit flies.
A large study found that education and income have varying relationships with brain volume and cognitive scores across different populations. The associations were strongest in childhood development, suggesting socioeconomic status may not specifically protect the brain from aging effects.
A recent study by MPIDR researchers found that participating in the labor market until age 67 slows cognitive decline and protects against cognitive impairment. This effect holds regardless of gender or educational/occupational attainment, with a slowed rate of cognitive decline rather than improved function.
A University of Missouri researcher is using a grant from the National Science Foundation to explore how time can factor in a building collapse. She's conducting thousands of hours of laboratory tests to determine the breaking points of reinforced concrete building materials.
A new study reveals that metabolism peaks in infancy, followed by a gradual decline until age 60, with the biggest slowdown after 90. The research suggests that tissue metabolism is changing over time, contradicting previous assumptions about lifestyle and body composition.
A new study reveals that metabolism increases rapidly during infancy, peaking at around one year old. After a gradual decline until the 20s, metabolism levels off and then slows down again after age 60, with older adults requiring fewer calories. The findings suggest that muscle loss and cellular changes contribute to this decline.
A recent study found that a muscle protein called CaMKII improves strength, endurance, and fitness in young animals, but also contributes to an evolutionary tradeoff: increased susceptibility to age-related diseases. The research suggests that future therapies targeting CaMKII could stave off diseases of old age.
A survey study found that adults who place importance on religious or spiritual beliefs tend to make more advance care planning choices, such as specifying life-sustaining treatments. The study suggests that these beliefs may play a significant role in shaping end-of-life care preferences.
Scientists have identified nearly 300 gene variations that influence reproductive lifespan in women. Manipulating key genes in mice extended their reproductive lifespan, providing insights into the biology of reproductive ageing.
A new study suggests that dancing can lower cholesterol levels, improve physical fitness and body composition in postmenopausal women. Additionally, dance practice has been shown to enhance self-image and self-esteem, contributing to overall mental health.
A University of Surrey AI model predicts compound properties that promote healthy ageing, identifying flavonoids, fatty acids, and organooxygens as promising candidates. The discovery paves the way for pharmaceutical innovations targeting age-related diseases.
A KAIST research team developed a hydrogel-based flexible brain-machine interface that can detect neural signals for up to six months. The device minimizes foreign body responses by mimicking the properties of surrounding tissues when exposed to body fluids.
A new study by University of Washington researchers estimates that a record-breaking lifespan of 125-130 years is possible by 2100. The study uses Bayesian statistics to analyze data from the International Database on Longevity and predicts that the world record for the oldest person will be broken.
A recent study found that life expectancy and lifespan equality in humans and non-human primates are not driven by aging rate, but by early life mortality rates. The researchers analyzed data from nine human populations and 30 non-human primate groups, revealing a strong relationship between early-life deaths and population aging.
Researchers found that human life expectancy increase is not due to slowing aging but rather improved survival rates among children and young adults, supporting the 'invariant rate of ageing' hypothesis which suggests a relatively fixed rate of ageing across species.
A new study led by Fernando Colchero reveals a strong link between human life expectancy and lifespan equality. Researchers analyzed data from nine human populations and 30 non-human primate populations, including gorillas, chimpanzees, and baboons, to explore the invariant rate of ageing hypothesis.
Researchers found that middle-aged men with cerebral palsy are up to 5.6 times more likely to suffer fractures than men without the disorder. The study also revealed that critical periods of bone health vary across the lifespan for individuals with cerebral palsy, particularly affecting females and males at different times.
Researchers found that transgenic mice with high levels of SIRT6 gene exhibit increased life expectancy and vigor, without frailty. The mechanism reveals enhanced energy generation capacity, facilitating healthy aging, and could lead to human lifespan prolongation methods.
Ant workers infected with a tapeworm live significantly longer than uninfected nest-mates, resembling the lifespan of ant queens. The parasites alter expression of ant genes and release antioxidants, contributing to their extended lifespan.
A Penn State-led study found that maternal stress during pregnancy can shorten the telomeres of male lizard offspring, leading to decreased lifespan. The researchers discovered a sex-specific effect, where stressed mothers give birth to sons with significantly shorter telomeres, highlighting potential implications for human longevity.
A recent study found that reduced food intake in roundworms can have a detrimental effect on three generations of offspring, particularly when they have access to unlimited food. The researchers also discovered that fasting can be costly for descendants and this effect may last for generations.
Researchers have made a breakthrough in photovoltaics technology by developing tandem cells and singlet fission processes that reduce operating temperatures and extend device lifetimes. This innovation leads to a 2%-4% gain in annual energy production and doubles the lifetime of devices for every 10°C reduction in temperature.
Repetitive sequences on the Y chromosome in male fruit flies become more active and toxic as males age, leading to a shorter lifespan. This study suggests that these repeat sequences can impair memory and cause DNA damage.
A study published in JAMA found that the age at natural menopause has increased in US women over the past 60 years, with a corresponding increase in reproductive life span. The research suggests that longer reproductive life spans may be associated with better metabolic health outcomes due to prolonged estrogen exposure.
Researchers propose that luxury goods possess a unique trait of being durable, allowing consumers to buy fewer, higher-end products that will last longer. Marketers can help consumers focus on durability by emphasizing the long-lasting nature of high-end products.
A study published in eLife found that selenium supplementation protects against diet-induced obesity in mice, reducing levels of energy-regulating hormones IGF-1 and leptin. The researchers also observed increased healthspan in yeast grown under selenium-supplemented conditions.
Researchers at the University of Florida have discovered a way to evaluate enzyme lifespan, allowing them to identify enzymes that need improvement. This breakthrough could lead to increased crop yields by reducing energy spent on replacing worn-out enzymes.
A UNIST research team has developed a novel electrolyte additive that enables long lifespan and fast chargeability of high-energy-density lithium-ion batteries. The additive tackles the shortcomings of conventional materials, such as poor mechanical strength and chemical stability.
Dr. Mikhail V. Blagosklonny reviews drugs that extend lifespan and healthspan in mammals, including rapamycin and metformin. He concludes that using these drugs could be the only way to live longer, given current understanding of aging.