Men who walk or bike to work are less likely to be overweight or obese and have healthier triglyceride levels, blood pressure, and insulin levels. Active commuting is also associated with improved fitness and reduced environmental impact.
A University of Alberta study shows that heart transplant recipients can significantly improve their physical fitness, including cardio-respiratory fitness, muscle mass, and maximal strength. However, exercise training did not improve heart or blood-vessel function.
Research by Dr Teresa Valencak reveals that Brown hares regulate energy expenditure to maintain reproductive success, preventing excessive investment in offspring. This active control allows females to balance growth and body repairs with energy demands for reproduction.
Researchers found that inbred bumblebee colonies suffer from decreased growth rates, lower offspring production, and reduced colony survival. The presence of diploid males, produced at the expense of female workers, has a detrimental effect on colony fitness.
Researchers at Northwestern University found that young adults with low aerobic fitness levels are two to three times more likely to develop diabetes over a 20-year period. The study highlights the importance of regular physical activity and maintaining a healthy body weight to reduce the risk of chronic disease.
A new study published by Oregon State University researchers found that hatchery fish significantly impair the reproductive fitness of their offspring, even if they survive and reproduce in the wild. This could be hurting efforts to sustain wild salmon runs, scientists said.
A study analyzing the mutator hypothesis found that cancer cells' efficient pathways to cancer are often driven by genetic instability, supporting the hypothesis. This discovery has implications for cancer therapy, as it may enable cancer cells to rapidly evolve resistance.
Researchers found that the level of physical activity and cancer treatment do not affect a person's cardiovascular fitness. A new test, three-minute step test, can help determine a patient's current fitness level.
A new study found that parasites evolve to be less aggressive when scattered among isolated clusters of hosts, favoring the survival of the group. This discovery suggests that as human activity makes the world more connected, natural selection will favor more virulent and dangerous parasites.
Scientists at the University of Iceland and Marine Research Institute report a significant difference in Darwinian fitness between shallow-water and deep-water adapted cod. The study found that intense habitat-specific fishing pressure led to rapid elimination of shallow-water fish, drastic effects on populations and fisheries.
Higher levels of cardiorespiratory fitness are associated with a lower risk of all-cause death and coronary heart disease and cardiovascular disease. A meta-analysis suggests that even a minimal level of CRF, above 7.9 METs, can provide significant prevention for these conditions.
A 22-year longitudinal study found that nearly 56% of Canadian adults are consistently inactive, with only 12% remaining active in each subsequent survey. Socio-economic factors, such as education and income level, significantly influence physical activity levels among participants.
A six-month study found that Power Plate exercise aided in significant weight loss (11% body weight) and reduced visceral fat compared to diet and conventional fitness alone. Regular Power Plate exercise also outperformed dieting with low-impact results.
A Florida State University researcher is exploring the effect of school-based screening on student fitness and parent behavior as part of a $2.2 million NIH grant. The study aims to track children's health changes and assess the impact of wellness programs on obesity rates in ethnic-minority students.
The 157th ASA Meeting explores various disciplines and unique sounds. Wimps hear dangerous noises differently due to physical fitness, while fish living in darkness have exceptionally sensitive ears. Researchers also study medical devices using sound to treat disease, a long-gone whale's comeback, and cowards' evolution.
Research connects poor fitness to non-alcoholic fatty liver disease (NAFLD), highlighting a crucial link between obesity-related illnesses. Exercise may potentially treat or prevent NAFLD by protecting against metabolic diseases.
A new study examines how environmental cues influence consumer behavior, finding that primed goals can sustain for a duration or fade away. Consumers who rate themselves as unfit are more likely to select fitness-enhancing drinks after exposure to relevant words.
A new study in Clinical Cardiology examines the fitness level of morbidly obese individuals and finds they are sedentary for more than 99% of the day. The results show that even light physical activity, such as walking at a speed of 1-2 miles per hour, may yield significant health benefits and improve aerobic capacity over time.
NJIT has received a $20,000 grant from The Horizon Foundation for New Jersey to teach middle and high school students about nutrition, physical fitness, and healthy lifestyles. This program aims to prevent serious, long-term health problems among teenagers in the community.
A study by Jean-Marc Lassance and Christer Löfstedt found that female moths can distinguish between males of different ancestries and reproductive fitness based on their pheromone composition. This ability allows females to select mates that are more likely to produce offspring with the same genetic makeup, driving species formation.
Researchers found that physically fit elderly adults have larger hippocampi and better spatial memory than their less fit counterparts. The study suggests that exercise can influence brain structure and cognitive function, with implications for aging and independence.
A large-scale study found that computerized brain exercises can significantly improve memory and lead to faster thinking in older adults. Participants who used the Brain Fitness Program for 40 hours over eight weeks showed a 131% improvement in response time and scored as well as those ten years younger on memory and attention tests.
Researchers found a significant relationship between students' academic achievement and physical fitness in an urban public school district. Students who excelled in fitness tests also performed well on standardized math and English tests.
Farming of fish in ocean cages promotes infection and lowers fitness of wild fish, leading to higher death rates. Sea lice are a major example of disease transfer in ocean fish farming, causing widespread decline of wild fish populations.
A new theory in evolutionary biology proposes that sex promotes genes' ability to perform well with many partners rather than just one specific set of genes. This idea, called genetic mixability, finds that sexual reproduction favors genes that work well across multiple variations.
Researchers at the University of Washington have developed two new cell phone applications, UbiFit and UbiGreen, to automatically track workouts and eco-friendly transportation. These programs display motivational pictures on the phone's background screen, motivating users to maintain their exercise routine and green habits.
A double-blind study found that beta-alanine supplementation increases physical working capacity in elderly individuals, improving fitness levels by 67% compared to placebo. This increase is clinically significant, as decreased functional capacity is associated with increased mortality.
According to the American Dietetic Association's 2008 survey, two-thirds of consumers believe diet and nutrition are very important for their personal health. Meanwhile, younger adults and those with lower education levels tend to be less concerned about these aspects. The results indicate a shift towards healthier habits among Americans.
A study of 1,402 fourth-grade students found high diabetes risk factors and obesity rates among children from poor families. Whole-grain intake was linked to lower heart failure risk, while high-fat dairy and egg consumption increased the risk.
Researchers at Duke University Medical Center found that severely obese individuals who exercised just one hour a week reported better overall-quality of life and improved ability to perform daily tasks. Even small amounts of physical activity can lead to significant improvements in quality of life, regardless of weight.
A USC survey of 7,000 EverQuest II players found that older players were more typical, with playing time increasing with age. Women logged more hours in the game and were less likely to quit, while also exercising regularly. The study suggests that online gaming may not compromise mental health, contrary to stereotypes.
A six-month study found that moderate aerobic exercise and weightlifting reduced liver fat in people with type 2 diabetes, improving fitness and reducing body fat. The results suggest a key benefit of trimming fatty liver for those with the disease, which can accelerate heart disease and liver failure.
A four-month exercise program improved fitness, reduced fat, and prevented lean muscle loss in older sedentary individuals. In contrast, dieting alone led to greater lean muscle loss, highlighting the importance of exercise for maintaining muscle mass and overall health.
A new study published in BioMed Central's Nutrition Journal found that popular slimming programmes do result in reduced energy intake while providing enough nutrients. The four commercial diets tested were Slim Fast, Atkins, Weight Watchers, and Rosemary Conley's Eat Yourself Slim Diet & Fitness Plan.
A recent study found that people with higher physical fitness levels had larger brains compared to those with lower fitness, suggesting exercise may preserve brain function and reduce cognitive decline in early Alzheimer's disease. The study also revealed no relationship between fitness and brain changes in healthy individuals.
A University of Missouri study found that Weight Watchers participants lost an average of 5% body weight, but mostly lean tissue. Fitness center members, despite little weight loss, improved health by reducing intraabdominal fat. Group support is crucial for success in both programs.
A study published in the Journal of Applied Biobehavioral Research found that directed thinking increased exercise performance and fitness among sedentary college students. Researchers asked participants to think about actions they could take to improve their cardiovascular fitness, leading to a significant increase in exercise time.
Lemur males use scent glands on their bodies to advertise fitness and family relationships, with individual scents reflecting genetic quality. Researchers analyzed chemical components in ringtailed lemur scents using sophisticated machinery.
A new study by The Endocrine Society found that moderate fitness levels lower the risk of death in diabetic men, reducing mortality by 40-50% over seven years. Fitness levels were categorized as low, moderate, and high based on peak metabolic rate achieved during exercise.
A clinical trial compares Aqua-Lyte, a zero-calorie hydration beverage, to a leading sugar/calorie-containing sports drink. Subjects who consumed Aqua-Lyte showed similar hydration effects to the comparison beverage, but with no discomfort or bloating.
Research suggests that individuals with severe obstructive sleep apnea may experience increased physiological stress and demand for oxygen during commercial air travel, which can lead to adverse events. This study used simulated flight conditions to assess fitness to fly without supplemental oxygen.
A new study led by Duke University researchers found that lung cancer patients can tolerate exercise after surgery, leading to improved tolerance for physical activity and better overall quality of life. The 14-week study showed significant gains in aerobic fitness and reduced fatigue among participants.,
A study by Emory University researcher Jacobus de Roode found that higher levels of replication within the host result in both increased virulence and greater transmission of parasites. This suggests that natural selection selects for harmful parasites, prioritizing their fitness over host health.
Regular aerobic exercise can slow or reverse the decline of maximal aerobic power, delaying biological aging and maintaining functional independence. By conserving maximal oxygen intake, individuals may retain their physical abilities longer, reducing the risk of serious disease and improving overall health.
A new study found that young children who lead inactive lifestyles are five-to-six times more likely to develop metabolic syndrome, a condition linked to heart disease and diabetes. The study tracked the same group of children over time, measuring factors such as body mass, blood pressure, and cholesterol levels, to show the importance...
Research published in Dynamic Medicine found that low levels of physical activity and aerobic fitness in children are associated with metabolic syndrome, a precursor to heart disease. The study suggests that efforts to increase exercise from an early age can help prevent the development of metabolic syndrome.
Researchers found ski tourism raises stress levels among capercaillie, harming their fitness and ability to breed. The study recommends keeping forests inhabited by the birds free from tourism infrastructure.
A large study found that moderate aerobic fitness can significantly reduce stroke risk for men and women. The study analyzed data from over 60,000 participants and found that those with higher levels of cardiorespiratory fitness had a lower risk of stroke, regardless of other risk factors.
Scientists have found that polygamous baboon fathers who spend time with their children during juvenile years can influence their daughters' fitness. The study, led by Duke University professor Susan Alberts, suggests that fatherly presence can give offspring a jump-start on reproduction, especially among females.
Researchers found that New Zealand parsnips had lower levels of chemical defenses than those in Europe and North America, making them more susceptible to the parsnip webworm. The webworms are dramatically affecting the plant's ability to reproduce, with 75% of affected plants devoid of reproductive parts.
A new study published in Nature Genetics reveals that diet and lifestyle can significantly impact the effectiveness of certain drugs, including those used for cancer therapies. The research found that nutrient availability can either enhance or harm cell fitness, depending on the surrounding environment.
Researchers found that dark coat color is linked to genes reducing fitness, contradicting Darwin's theory. The study reveals that light-coated sheep have higher reproductive success despite being smaller.
A new study published in Arthritis Care & Research found that specific strength training exercises led to significant prolonged relief of neck muscle pain in women. In contrast, general fitness training resulted in only a small amount of pain reduction. The study suggests that supervised high-intensity dynamic strength training may be ...
Scientists are developing a novel treatment strategy to target the key enzyme responsible for tooth decay in Streptococcus mutans bacteria. By disrupting this enzyme, researchers hope to render the bacteria more vulnerable to acid damage and prevent the formation of cavity-causing acid.
A study published in European Journal of Applied Physiology found a consistent correlation between actual and perceived exertion in people of all fitness levels. Researchers say an individual's sense of hard work matches the level of physical exertion measured by heart-rate and oxygen uptake.
A study found that adults over 60 with higher cardiorespiratory fitness lived longer than unfit adults, independent of body fat levels. Higher fitness levels were inversely related to all-cause death in both normal-weight and overweight BMI subgroups.
Researchers found significant improvements in memory gains and perception of cognitive abilities in participants who completed a computer-based brain fitness program, surpassing traditional educational training.
Researchers found that severely restricting calories can maintain physical fitness into advanced age, reducing visceral fat and improving overall physical function assessments. This approach may slow the progression to physical disability and loss of independence.
Researchers found that quail males who learned to associate a stimulus with access to a female were more likely to fertilize eggs, increasing their reproductive success. The findings suggest that learning plays a significant role in reproductive fitness and evolution.
A team of Harvard researchers has found that organisms must stay below a mutation rate of 6 per genome per generation to prevent extinction. This discovery explains why some species are more resilient to genetic changes and offers insights into the physical properties of genetic material and its impact on survival fitness.