Researchers found physical exercise can slow aging's effects and improve cognitive functions in older adults. Fitness training, particularly aerobic exercise, was associated with improved cognition, brain function, and retained brain volume.
The NHLBI guide provides information on the impact of physical activity on your heart, including tips for incorporating physical activity into daily life. Regular physical activity is essential for maintaining a healthy heart, with benefits including burning extra calories, building stamina, and improving balance.
A Michigan State University study found that sixth-grade students who engaged in more vigorous physical activity performed approximately 10 percent better in core subjects like math and science. The research suggests that vigorous exercise is linked to improved academic outcomes, not just physical education participation.
Researchers found that a bacterial parasite, Pasteuria ramosa, produces intermediate levels of virulence to maximize spore production and host fitness. This tradeoff between host and parasite fitness has important implications for public health strategies to contain emerging parasitic diseases.
Research at Group Health Research Institute found that participants with higher physical function were three times less likely to develop dementia. Regular exercise may help stave off dementia by improving and maintaining physical conditioning, say researchers.
A study published in JAMA found that individuals with lower socioeconomic status have poorer physical fitness levels, which can lead to a higher risk of cardiovascular death. The researchers discovered that functional capacity and heart rate recovery were strongly associated with SES and accounted for 47% of the association.
A new study reveals that high fitness levels can enhance the effects of short-term hormone treatment and offset declines associated with long-term use. Researchers analyzed brain tissue volume in 54 postmenopausal women and found a significant association between higher fitness levels and greater tissue volume in key areas.
The study found that non-nucleoside reverse transcriptase inhibitor (NNRTI)-resistant viruses have an advantage over sensitive viruses even at low levels of adherence. NNRTI and protease inhibitors are potent antiretroviral drugs with demonstrated effectiveness when taken as directed.
A new study confirms that evolution selectively influences life history traits affecting fitness, such as age at reproduction and senescence. Guppy populations show no postreproductive lifespan variation, contrary to expectations, suggesting this aspect of life history may be randomly determined.
A large-scale study found that nearly 7.5 million adolescents and 8.5 million adults have poor cardiovascular fitness, associated with increased risk of heart disease. The prevalence of poor fitness was higher in females and minority groups, highlighting the need for targeted education campaigns to promote physical activity.
Research reveals that nearly 20% of U.S. adolescents and adults under 50 have low cardiorespiratory fitness, associated with higher risks of heart disease and other chronic conditions. Low fitness is more common in females, non-Hispanic blacks, and those with higher body mass index and waist circumference.
A 14-day study found that combining memory exercises, stress reduction, healthy diet, and physical fitness improved memory in older adults. Participants showed a 5% decrease in brain metabolism and better performance on cognitive tasks.
A new small-scale study suggests that personal fulfillment is the strongest motivator for US adolescents to exercise. The research found that teens are more likely to participate in sports and vigorous activities if they enjoy the process and want to improve their fitness and physical skills.
Researchers followed nearly 6,000 women with metabolic syndrome over nine years, finding that cardiorespiratory fitness reduced overall deaths and heart disease-specific deaths to rates similar to those without the condition. Higher levels of cardiorespiratory fitness were associated with lower risk factors and improved heart health.
A randomized trial found that exercise counseling prescriptions for walking can improve cardiorespiratory fitness and reduce cardiovascular disease risk factors. The study showed significant increases in maximum oxygen consumption and HDL-C levels in participants who received higher-intensity exercise prescriptions.
A moderate exercise regimen, equivalent to 12 miles of brisk walking per week, can significantly improve fitness levels and reduce cardiovascular disease risks. The study found that even slight increases in intensity or duration yield greater health benefits.
A school-based fitness program demonstrates improved body composition, cardiovascular fitness, and insulin sensitivity in overweight children. The study suggests that incorporating physical activity into childhood education can have long-term health benefits.
Researchers found that physical fitness reduces cardiovascular disease death risk by over 50% across all cholesterol levels. The study analyzed data from 19,125 men aged 20-79 and confirmed the effectiveness of revised guidelines for lowering bad cholesterol.
Research by University of Bath scientists shows that DDT resistance confers an advantage when inherited through females, leading to its global spread. This discovery challenges the common assumption that genetic resistance always carries a fitness cost.
A new study found that not enough exercise in women can lead to serious heart problems and death, with those who cannot achieve 85% of their age-predicted fitness level being twice as likely to die. The researchers developed a chart for women to interpret their exercise capacity based on normative values for their age.
Researchers found deficits in trunk and hip strength, hamstring flexibility, and back proprioception in golfers with a history of low-back pain. These findings can inform the development of injury prevention programs and exercise programs for golfers to prevent or rehabilitate low-back injuries.
A new study found that high school age children with a healthy weight had favorable lipid profiles, including lower levels of triglycerides and higher ratios of HDL cholesterol. The leanest teens, those with less than 25 percent body fat, had the best lipid/lipoprotein profiles.
Researchers found that Tai Chi significantly improved the physical fitness of fall-prone older adults, reducing the risk of falls and fractures. The exercise program showed a 25% reduction in walking time for those who practiced Tai Chi compared to the control group.
A new report recommends introducing post-surgery overnight recovery units to improve mortality rates and reduce hospital stays. The proposal includes assessing patient fitness at an earlier stage and using exercise and nutritional supplements to prepare patients for surgery.
A home-based physical activity program increased physical activity levels and improved fitness among breast cancer survivors. Participants reported reduced fatigue, increased vigor, and improved body image after 12 weeks of counseling via weekly phone calls and mail-delivered tip sheets.
A six-month exercise program improved body fat, muscle strength, and fitness levels in older men and women. Despite weight loss, bone mineral density remained stable or even increased slightly among those who achieved greater gains in fitness.
A new study published in Biology of Reproduction found that delayed motherhood in mice leads to decreased life expectancy and reduced body weight. The researchers assessed various aspects of reproductive fitness but found no significant deleterious effects on other parameters.
The study found that physicians who helped create plans for physical activity and followed up with patients were more likely to see increased physical activity. The physical environment also played a significant role, with active individuals reporting shorter walking times to community facilities.
Research found that moderate aerobic exercise significantly improves cardiovascular and autonomic profiles in HIV+ subjects, compared to those without HIV. The study suggests that exercise may be a cost-effective supplemental therapy for HIV patients.
Researchers found that female crickets pay higher survival costs for mating with attractive males but produce offspring with elevated fitness. The study suggests that choosing costly mates may be beneficial due to the indirect benefits of siring 'sexy' sons.
A new study shows that exercise improves three measures of heart protection in postmenopausal women, including better blood clotting profiles and reduced blood clot activation. Regular physical activity may help prevent the formation of blood clots, leading to a lower risk of heart attacks.
A recent study at McMaster University reveals that fitness experts can significantly increase self-confidence in beginner exercisers. By setting and achieving specific goals, individuals experience increased motivation and confidence in their abilities.
A study published in 2004 found that obese individuals experience lower sexual quality of life, with women reporting more difficulties than men. The research suggests that losing weight and increasing physical activity can help restore sexual function for those with obesity-related problems.
A 12-week physical activity program will be implemented and evaluated in 16 worksites across the US and Canada to assess its effectiveness on promoting physical activity among employees. The study aims to determine the effects of a multilevel intervention aimed at personal goal-setting and ecologically based organizational action.
University of Illinois researchers found a correlation between academic achievement and fitness scores among school-aged children. Fit children showed improved cognitive function, including better attention and working memory, compared to their sedentary counterparts.
Research suggests that increased physical activity is a crucial factor in preventing cardiovascular risk, regardless of body weight. Women with moderate to high levels of physical fitness had significantly greater event-free survival compared to those with low activity scores.
Researchers found that physical fitness was a significant predictor of cardiovascular disease risk factors and events, even after adjusting for obesity measures. Women with lower levels of physical fitness were more likely to have CAD risk factors and obstructive CAD.
A study by Vanderbilt University researchers reveals that biological clocks enhance the fitness of organisms by adapting to daily environmental changes. However, when illuminated constantly, these internal pacemakers become obsolete and can even hinder growth, according to the research.
A study of over 1,000 children followed into adulthood found a strong association between extensive TV viewing and increased risk of obesity, high cholesterol, smoking, and poor cardiovascular fitness. Parents are advised to limit children's TV viewing to 1-2 hours per day to prevent long-term health consequences.
Exercise has been shown to improve physical fitness, lower back pain, and cholesterol levels in early postmenopausal women. After 26 months, the exercise group experienced significant increases in physical fitness and reductions in bone loss compared to the control group.
Studies show that foreign males from conflict populations are more costly to females, but benefits of sexual selection may outweigh costs at intermediate levels of conflict. The findings highlight the potential cost of sexual selection and generate a fitness load.
Research suggests that non-physical traits, such as personality and behavior, have a substantial impact on how people perceive physical attractiveness. Studies involving familiar and stranger participants found that non-physical traits known only to familiars had a large effect on perception of physical attractiveness.
Researchers found obese children had shorter treadmill times and lower endurance compared to non-obese peers. Obesity also increases the risk of type 2 diabetes, joint problems, and atherosclerosis in adolescents.
Researchers discover transgenic mosquitoes are severely impaired in development and reproduction, laying fewer eggs and having lower egg-adult survivorship. This finding has major implications for the competitiveness of transgenic mosquitoes against non-engineered wild-types.
A Canadian study found that children with higher aerobic fitness reported fewer 'sick' days, while those with high body fat experienced more URTIs. Regular physical activity and lower body fat were also linked to better immune function in children.
A large observational study found that improving fitness in healthy young adults can significantly reduce the risk of developing high blood pressure, diabetes, and metabolic syndrome. Regular physical activity can help maintain a healthy weight and protect heart health, even after age-related changes.
Low cardiorespiratory fitness in young adulthood is associated with a higher risk of developing diabetes, hypertension, and the metabolic syndrome. Improving fitness over 7 years was linked to reduced risk, but weight changes may have offset this benefit.
A study published in The Journal of the American Medical Association found that fitness in young adulthood can significantly reduce the risk of developing high blood pressure, diabetes, and metabolic syndrome. Improving fitness levels by 50% or more can decrease these risks by as much as 50%.
A long-term study found that regular physical activity in postmenopausal women is associated with better functional status and fewer physical limitations. The researchers also discovered that consistent physical activity levels over time are crucial for maintaining physical function.
Researchers found that Arabidopsis plants from different latitudes exhibit significant variations in their circadian clocks, suggesting an adaptation to optimize fitness. The study identified five chromosomal regions contributing to the clock mechanism, including multiple genes that work together to control different parts of the process.
A randomized trial found that increased physical activity reduced breast cancer risk in postmenopausal women, with longer duration providing the most benefit. Moderate-intensity physical activity also promoted significant weight loss and improved cardiorespiratory fitness, with benefits sustained for a year.
Researchers found that women exercising 250-300 minutes per week and reducing calorie and fat intake lost up to 15% of their body weight in about six months. They also increased cardiorespiratory fitness compared to baseline values.
The Exten Fitness System uses motorized chairs to provide a safe all-body workout for those unfit or overweight, helping counter the UK's 'couch potato' culture. The system offers 23 exercises in 30 minutes, promoting increased muscle tone and mobility, improved circulation and coordination.
Researchers are investigating how exercise affects immune function in older populations, aiming to prevent infections and improve health outcomes. Preliminary data suggests moderate exercise may boost immune function measures and reduce mortality caused by influenza.
Researchers found that workplace-based physical activity counseling programs significantly improved employees' physical activity levels and fitness. The program, called PACE, was tailored to individual readiness for change and showed greatest benefits for those with less-favorable health profiles.
A study of 289 teenagers found that cardiovascular fitness and lower body fat are independently associated with greater insulin sensitivity. Improving fitness or reducing body fat could protect high-risk children from developing insulin resistance, a precursor to diabetes.
According to a recent study, 20% of Los Angeles County public school children are overweight, with Latino children facing the highest prevalence rate. The data also shows that boys are more likely to be overweight than girls, with over 23% of 5th graders and 19% of 7th graders meeting this criteria.
Researchers found the prevalence of overweight among Los Angeles County school children to be 20.6 percent, with higher rates among boys and Latinos. An email-based program for nutrition intervention was also shown to be effective in changing dietary behavior, with over 50% of participants reporting success.
A new study confirms the link between exercise and brain changes in aging humans using high-resolution MRI. Fitness slows down age-related decline in brain density, particularly in gray and white matter.
Researchers studied 5069 patients and found that African Americans had lower exercise capacity despite higher rates of obesity. The study highlights the importance of weight reduction and increased physical fitness for preventing cardiovascular disease in African Americans.