A study of over 300 college students found that those who spent more than 14 hours daily on their phones were less fit than those with moderate usage. High cell phone use was linked to a sedentary lifestyle, increasing the risk for various health issues.
A study found that exercise-induced improvements in glycemic control are dependent on pre-training blood glucose levels and type 2 diabetes status. Moderate-intensity aerobic exercise improved body weight, body fat, fasting plasma glucose, and 2-hour oral glucose tolerance test results.
Researchers found that lower fitness levels in middle-aged South Asian men contribute to higher blood sugar levels and increased diabetes risk. To mitigate this, physical activity guidelines may need to be adjusted to account for ethnicity.
A study by UCLA researchers found that older adults who used the Dakim BrainFitness program demonstrated significant improvements in both immediate and delayed memory skills, as well as language abilities. The findings suggest that computerized brain training can be an effective way to improve cognitive skills in this age group.
A new study reveals that females tend to prefer traits linked to fitness, influencing mate choice and population divergence. This finding settles a long debate about magic traits and predicts their commonality in nature.
A recent study found that just three short high-intensity sessions per week can significantly improve the fitness of inactive men. VO2max increased by 10% in one group and 13% in another after a 10-week training session.
A study published in the American Heart Association found that middle-aged individuals who improved their fitness levels reduced their heart failure risk by 20% for every one MET improvement. This research highlights the importance of incorporating regular exercise into mid-life routines to decrease the risk of heart failure.
A University of Missouri study found that simvastatin, a cholesterol-lowering drug, impairs the positive effects of exercise on fitness levels in obese adults. The study measured cardiorespiratory fitness and skeletal muscle mitochondrial content in participants taking statins while exercising.
A study published in The Journal of Clinical Investigation found that microRNAs play a crucial role in determining muscle fitness by regulating the switch between slow- and fast-twitch muscle fibers. The researchers identified specific microRNAs that are elevated in active people, suggesting a potential new target for interventions to ...
Researchers developed a statistical modeling approach to assemble and evaluate the fitness of individual neurons, identifying diverse yet robust populations as the most successful. This method can help understand the importance of neuronal diversity and predict how alterations in neuron variability impact function.
A high resting heart rate is associated with a higher risk of death, regardless of physical fitness level. Men with heart rates between 51-80 beats per minute had a 40-50% increased risk of death compared to those with lower rates.
A first-in-humans study demonstrates that cardiopoietic stem cell therapy can improve heart pumping function and fitness in heart failure patients. Patients in the treatment group experienced a significant improvement in ejection fraction, compared to those in the control group.
Teenagers who increased daily exercise to at least 20 minutes were able to cut back on their smoking habit. The study found that this short walk helped teens resist lighting up a cigarette and increase their chances of quitting altogether.
A meta-analysis of 161 studies on prey diversity found that mixed diets enhance animal fitness, but not as well as specialized diets. Generalized diets may offer flexibility and less risk of predation, rather than nutritional benefits.
A nationwide Swedish study of over 300,000 young men found that those with low cognitive scores were at a higher risk of sustaining a mild traumatic brain injury. The study also identified other risk factors for mild traumatic brain injuries, including socioeconomic status and physical fitness.
A home-based DVD exercise program called FlexToBa has been shown to improve flexibility, toning, and balance in older adults. Participants who used the program for six months saw clinically important improvements in physical function tests compared to a control group.
A new study found that aerobically-fit children had a greater chance of passing math and reading tests compared to their unfit peers. Aerobic fitness and socioeconomic status both positively impacted academic success.
Researchers have created a novel vaccine candidate for Chikungunya virus using large-scale codon re-encoding, exhibiting stable phenotype and reduced viral fitness. The approach could lead to the rapid design of next-generation viral vaccines against emerging viral pathogens.
Aerobic exercise increases critical brain structures and improves cognition in children and older adults. Physical activity also reduces susceptibility to diseases like hypertension, diabetes, and osteoporosis.
Researchers at Indiana University have discovered a rare genetic interaction between mitochondrial and nuclear DNA that reduces reproductive fitness and delays development in fruit flies. This finding has important implications for understanding genetically complex human diseases, such as neuromuscular and neurodegenerative disorders.
A recent study published in Annals of Internal Medicine suggests that exercising regularly earlier in life can significantly lower the risk of developing dementia later in life. Researchers analyzed data from over 19,000 adults and found a strong association between midlife fitness levels and reduced risk of all-cause dementia. Additio...
A new study by the University of Pennsylvania has found that owl monkeys who stay with one partner produce 25% more offspring per decade than those who switch partners. This finding suggests that long-term monogamy and pair-bonding can improve reproductive fitness in certain individuals.
Researchers discovered a gene in amoebae that enables over-sharing without reducing evolutionary fitness, challenging our understanding of cooperation and cheating. The study tested a knockout mutant 'CheaterB' and found it performed just as well as its ancestor wild strain under laboratory conditions.
A 'cheater' mutation in Dictyostelium discoideum allows it to exploit its social partner by reducing the ability of normal Dictyostelium to form spores. This enables the cheater strain to outcompete wild type for survival and resources, with no observed fitness cost or impairment to lifespan.
In a large randomized trial, aerobic training was shown to result in greater weight and fat loss compared to resistance training or a combination of both. Aerobic exercise also led to significant reductions in waist circumference and improvements in cardiopulmonary fitness.
A simple screening test of musculo-skeletal fitness has proved remarkably predictive of all-cause mortality in a study of over 2000 middle-aged and older men and women. High scores indicate lower risk of death, with those requiring more hand or knee support showing a 2-fold higher death rate.
Aerobic exercise has been shown to improve cognitive function in older adults, including task switching, selective attention, and working memory. The evidence suggests that regular physical activity can attenuate age-related decline in these areas, providing a simple means for people to optimize their brain power.
A recent UT study examined how academic achievement relates to physical fitness in middle school students. The study found that students with the highest fitness levels performed better on standardized exams and earned higher grades. By being active, kids may be able to raise their grades without sacrificing academic instruction.
A new study from Michigan State University found that middle school students in better physical shape scored higher on standardized tests and received better grades. The research linked health-related fitness to academic performance, including body fat, muscular strength, flexibility, and endurance.
A recent study published in The Lancet found that combining better physical fitness and statins significantly improves survival in people with unhealthy blood fat or cholesterol levels. Moderate intensity physical activity can be achieved through walking, gardening, and gym classes, making it a feasible option for many middle-aged adul...
Research suggests that the fine crafting of handaxes by Homo erectus/ergaster in the Lower Palaeolithic period was driven by a desire to prove trustworthiness rather than physical fitness. The 'trustworthy handaxe theory' proposes that attention to detail is about demonstrating emotional reliability and capacity for strong relationships.
A new study aims to determine driving fitness in individuals with multiple sclerosis using a simple and accurate testing protocol. The test, developed by GHSU researcher Dr. Abiodun Akinwuntan, has shown promise in predicting pass or fail outcomes on a road test with 91 percent accuracy.
Researchers found that releasing green leaf volatiles increases plant fitness by attracting enemies of herbivores and boosting reproduction. This natural defense mechanism can improve agricultural yields without harming the environment.
Obese children with lower extremity pain have worse physical function and poorer psychological health compared to their obese peers without pain. Physical fitness levels also show a decline in those reporting lower extremity pain, suggesting potential impact on exercise regimes.
Regular exercise can improve fitness levels in people with type 2 diabetes by up to 40% after 12-20 weeks of training. This reduces the impact of the disease on cardiovascular health and decreases mortality risk.
Research on harvestman spiders found that single male parents of eggs suffer no long-term decrease in fitness compared to females or non-caring males. The study suggests that reduced mortality risk and genetic advantages of improving offspring survival may have favored the evolution of paternal care in insects.
A study published in European Heart Journal found that between 30-40% of obese patients are metabolically healthy, exhibiting better cardiorespiratory fitness and a lower mortality risk. Health professionals can use lipid profile, BMI, and fitness to assess the risk for heart or cancer disease in obese individuals.
A study published in JAMA found that obese individuals who underwent gastric bypass surgery experienced significant weight loss and reductions in cardiovascular risk factors. The surgery helped improve fitness, quality of life, and even reduced the incidence of diabetes, hypertension, and sleep apnea.
A Canadian study found that vigorous physical activity is associated with reduced body mass index z score, waist circumference, systolic blood pressure, and increased cardiorespiratory fitness in youth. The study included 605 youth aged 12.1 years and found that performing more than seven minutes of vigorous PA daily was linked to lowe...
A new study reveals that 46% of obese participants are metabolically healthy, with a 38% lower risk of death from any cause compared to metabolically unhealthy obese peers. The study also found that these individuals have a reduced risk of cardiovascular disease and cancer by 30-50%.
A multidisciplinary team will recruit 1,500 breast cancer patients to examine the effects of exercise and physical fitness on survival and recovery. Researchers will assess physical activity, body composition, and biomarkers to better understand the optimal exercise prescription for fighting breast cancer.
Researchers found that midlife fitness levels can lower the onset of chronic diseases such as congestive heart failure, Alzheimer's disease, and colon cancer decades later. Fitter individuals aged well with fewer chronic illnesses to impact their quality of life.
Fit Brains, a top online brain fitness platform, has achieved 75 million brain game scores played by over 5 million users. The company is celebrating with a charitable incentive, donating $10 to a brain research foundation for each new membership in September.
Researchers found that both high and low mating rates are detrimental to female sea slug fitness, suggesting indirect benefits to traumatic mating. The study suggests that there may be additional fitness benefits beyond reproduction.
A new study found correlations between micronutrient levels and performance on physical fitness tests in adolescents. Hemoglobin, retinol, and vitamin C were positively associated with cardiorespiratory fitness, while hemoglobin and beta-carotene were linked to muscular fitness.
A team of scientists proposes a new theory of evolution that combines emergent fitness landscape and curl flux to explain evolutionary dynamics. The theory provides a physical foundation for general evolution dynamics, offering insights into the Red Queen Hypothesis and the benefits of sexual reproduction.
Research at the American Psychological Association's convention found that cardiorespiratory fitness is a significant factor in middle school students' academic performance. Students who are physically fit scored higher on reading and math tests, with social support also playing a role for boys.
A UCLA study finds that a computerized brain fitness program significantly improves memory and language skills in older adults. The six-month program, used by participants aged 84, demonstrated improved cognitive function compared to those who played less frequently.
A new study found that young children who watched more hours of TV had worse muscular fitness and larger waist sizes by adolescence. This correlation could lead to increased risk of adult health problems if left unaddressed. Researchers recommend reducing screen time for toddlers to promote healthy physical development.
A study published in the International Journal of Behavioral Nutrition and Physical Activity found that TV habits at age 2-4 predict waist size by grade 4 and sports ability by age 10. Excessive screen time is associated with increased waist circumference and decreased athletic performance, highlighting the need for policies targeting ...
Regular exercise has clear benefits for physical and mental health, making it a key factor in reducing mortality rates. Health professionals should consider exercise levels as a vital sign to provide more help for patients to adopt exercise regimes.
A new model suggests that frequency-dependent selection fosters genetic diversity by allowing different mutations to coexist and interact. This leads to higher diversity within populations, despite the potential decline in average fitness.
A classic study on male and female promiscuity has been called into question after UCLA biologists repeated the experiment using the same methods as the original. The team found that Bateman's conclusions about the relationship between mate number and offspring fitness were likely flawed due to a bias in his methodology.
A new study finds that physical fitness significantly lowers the risk of death in diabetes patients with heart abnormality. Diabetic patients who were physically fit had a lower risk of death compared to those who were not physically fit, regardless of the presence or absence of left ventricle wall thickness.
A study by Duke University Medical Center found that breast cancer patients have significantly impaired cardio-pulmonary function that can persist for years after treatment. Higher cardio fitness levels were linked to longer median survival among women with advanced breast cancer, suggesting exercise may be a useful intervention.
Research found that moderate fitness levels can lower hypertension risk by 34% for those with a parent's high blood pressure, while highly fit individuals have a 70% lower risk. The study of over 6,000 participants suggests that even realistic exercise can provide significant health benefits.
A new study found that longer commutes by automobile are associated with decreased cardiorespiratory fitness, increased weight, and other indicators of metabolic risk. Commuting distances greater than 10 miles were linked to high blood pressure.
Despite federal recommendations for four hours of physical activity per week, Americans spend only about two hours engaging in sports and fitness activities. The most prevalent activity is dedicated walking, with teenagers spending seven times more time playing basketball than older adults.
Researchers at RIKEN Brain Science Institute discovered a yeast prion called Mod5 that confers survival advantages by granting cellular resistance to antifungal agents. The study reveals the active role of prion conversion in cellular fitness adaptation, providing new insights into the broader function of prions in living organisms.
Biologists at the University of Toronto found that individuals with low-quality genes can produce offspring with even more inferior chromosomes, possibly leading to extinction. The study suggests that this could result in a 'mutational meltdown' that devastates endangered populations and increases health problems.