Research on physical activity and how it affects health. Covers running and step counts, disease risk reduction, fitness tracking, and exercise physiology.
A new study found that eccentric muscle training, such as hiking downhill, improves glucose tolerance by 25.0%, compared to 9.4% with concentric training, like hiking uphill. This research provides insight into the specific metabolic effects of different types of exercise on glucose metabolism in humans.
A genetically engineered mouse with activated PPAR-delta receptor burns fat more rapidly, resulting in improved endurance exercise capabilities. This discovery may lead to new treatments for obesity and related metabolic disorders.
A novel study found that regular moderate physical activity significantly improves the immune response in older men, with increased anti-KLH IgM, IgG, and delayed-type hypersensitivity reactions. This suggests that a physically active lifestyle can maintain optimal T cell-mediated responses, particularly during times of immunocompromise.
Researchers at UCSD developed genetically modified mice with superior endurance capabilities by deleting the HIF-1 gene, which enables aerobic energy production. These 'super mice' can run and swim longer than normal counterparts but exhibit muscle damage after prolonged exercise, highlighting a double-edged effect.
Researchers found that extended outpatient rehabilitation therapy significantly improves functional abilities, strength, balance, mobility, and quality of life in elderly hip fracture patients. In contrast to standard home-based therapy, supervised rehabilitation with resistance training led to greater improvements.
Researchers found that many patients with normal stress test results have extensive atherosclerosis, as revealed by coronary calcium scanning. Patients with scores above 100 are at increased risk for cardiac events, while those above 400 are at the highest risk.
The UK's Healthcare Commission, led by Ian Kennedy, has been criticized for its flawed star system and lack of transparency. The commission's ratings have been shown to be based on incomplete data and do not accurately reflect the quality of care provided by NHS Trusts.
Council decision-making in EU is influenced by both power and needs. The allocation of EU budget shares varies among member states based on their economic capacity and population size.
Researchers found that muscle mechanoreceptor stimulation, independent of central command, significantly increased forearm sweat rate during passive cycling recovery. In contrast, chest sweat rate was only increased at the mid-recovery period. The study suggests that muscle mechanoreceptors are equally important in producing sweat as h...
A recent study found that nearly half of Los Angeles County residents engage in little to no physical activity, with sedentary behavior more prevalent among those with depression or poor health. The study also highlights the importance of promoting physical activity as part of overall wellness, beyond just weight loss.
Researchers found that ghrelin was significantly elevated with weight loss in exercising subjects, indicating a potential role for ghrelin in returning the body to a prior set-point for body weight. The study suggests that exercise training itself has little impact on ghrelin levels.
A study of over 3,200 older adults found that even occasional exercise can significantly reduce the risk of death from heart disease and other causes. Physical activity was found to improve survival rates by 28-40%, depending on frequency and intensity.
A randomized trial of 110 obese men found that significant weight loss and increased physical activity improved erectile function and endothelial function. The study suggests that lifestyle interventions may be a safe strategy to improve erectile function and reduce cardiovascular risk in obese patients.
Researchers found that high school students, both athletes and non-athletes, use anabolic steroids and body-shaping drugs regularly. Students with a higher grade-point average tend to use less drugs, while those with lower GPAs are more likely to use these substances.
A study of 300 people found that those with more abdominal fat were four times more likely to develop hypertension. Meanwhile, a six-year study of middle-aged men found no correlation between regular aerobic exercise and reduced artery thickening.
Research reveals that humans can't pump enough blood to meet the demand of highly trained muscles during exercise, leading to hypotension. This finding has implications for understanding reduced exercise tolerance in pathologic conditions and may guide new therapeutic approaches.
A recent study suggests that exercise is the predominant lifestyle determinant of bone strength in young women, with daily calcium intake showing little impact on adult bone mass. The research found that physical activity accounted for between 16% and 22% of variation in hip bone mineral density and bending strength.
A randomized controlled trial found that yoga is as effective as aerobic exercise in improving measures of fatigue in multiple sclerosis patients. The study also showed improvements in physical health and quality of life among participants.
The study found that 85% of cancer patients use prayer as a common non-medical therapy for healing, while 25% change their diets or use mega-vitamins to improve their health. Patients often don't discuss these therapies with their doctors due to communication gaps.
Long-term yo-yo dieting has a negative impact on immune function, with frequent weight loss episodes associated with decreased natural-killer-cell activity. Women who maintained stable weight for five years showed 40% greater NK cell activity compared to those with unstable weight.
Researchers found that moderate exercise, combined with antioxidant vitamins C and E and the amino acid L-arginine, significantly reduced atherosclerosis lesions by 40% compared to high cholesterol diet alone. Exercise also lowered blood pressure and prevented unwanted blood clotting.
Kenneth Baldwin will lead a $2.5 million NASA program to develop exercise programs for astronauts, addressing physical impacts of space travel. The research aims to enhance the new NASA Space Exploration Initiative, enabling humans to work for months on the International Space Station and potentially send humans to Mars.
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.
A study by Cornell University found that iron supplements improve exercise performance in non-anemic women, but only those with tissue-iron deficiency. Women with low liver iron but no anemia showed no functional impairments.
Researchers found that exercising in a swimming pool during plyometric training significantly decreased muscle soreness two to three days after the workout. Muscle strength and mass increased in both groups, with no significant differences between gym-based and pool-based exercise.
Researchers from Wake Forest University Baptist Medical Center and Wake Forest Health found a 24% improvement in physical function among participants who combined weight loss with moderate exercise. Participants reported significant improvements in knee pain, with a decrease of over 30%.
A large-scale national trial led by Duke University Medical Center researchers found that exercising reduced the risk of death and non-fatal heart attacks in heart attack patients who were depressed or socially isolated. The study followed 2,078 patients and compared their outcomes to those who did not exercise.
A new study found that non-habitual acute resistance and aerobic exercise negatively affected sleep quality and length. Volunteers reported waking up significantly more times at night after exercise compared to before, while objective measures of sleep using an actigraph revealed no significant differences between exercise conditions.
A study found that moderate exercise over 11 months improved immune activity, increased muscle strength, and decreased total cholesterol and LDL levels in older adults. This suggests a simple home-based exercise program can provide important health benefits for aging individuals.
A study found that exercise can reduce the preference for sweetened fluids in rats, with a temporary increase in perception of sweetness after consumption. The researchers suggest that this could lead to the development of foods and supplements that meet post-exercise nutritional needs.
A recent study found that CordyMax enhances aerobic exercise capability, endurance performance, and exercise metabolism in healthy, mid-age to elderly sedentary humans. The supplement also showed promising results in reducing fatigue, improving weight control, and lowering diastolic blood pressure.
A recent study investigated the effects of Enhanced External Counterpulsation (EECP) treatments on physiological functions predicting athletic performance. The results showed no significant enhancement in endurance-related parameters, contradicting anecdotal reports of improved endurance during exercise.
A year-long study found that postmenopausal women who exercised regularly had significantly lower serum estrogen levels and a reduced risk of breast cancer. The exercise program resulted in a 16.7% reduction in free serum estradiol, a key female sex steroid.
Researchers found that older adults with chronic obstructive pulmonary disease (COPD) who continued to exercise regularly maintained improved cognitive, psychological, and physical function over a year, while those who stopped exercising experienced significant declines.
Researchers found that exercise-induced high blood pressure may be caused by cells failing to relax and expand blood vessels. This impairment can be a common factor among various risk factors for heart disease, including aging, menopause, and diabetes.
A study found that almost one-fifth of asthma parents believe exercise is dangerous for their children, leading to lower physical activity levels. Children with moderate or severe asthma are also less likely to engage in high levels of physical activity due to parental misconceptions.
A study found that regular exercise, as well as routine activities like walking for transportation or performing household chores, can reduce a woman's risk of endometrial cancer. The research team assessed physical activity from various periods in life and found significant benefits for women with higher levels of physical activity.
Regular exercise can reduce a woman's risk of endometrial cancer by up to 30-40% and improve breast cancer survival rates. Studies found that moderate physical activity, including walking and household chores, had significant benefits on cancer risk and survival.
A recent study from Ohio State University found that listening to music during exercise improves verbal fluency test scores in cardiac rehabilitation patients. The study also revealed that participants reported feeling better emotionally and mentally after working out regardless of whether they listened to music.
Researchers found that a single bout of strenuous exercise 24 hours before a simulated dive significantly reduced bubble formation. This non-pharmacological procedure may form the basis for preventing serious decompression sickness.
Researchers used an interactive internet program and short videos to reduce fat intake and increase exercise levels among low-income seventh graders. The study showed that students who attended at least half of the sessions increased their physical activity and reduced dietary fat.
A new study found that carbohydrate intake has a limited positive impact on muscle protein synthesis after resistance exercise, but not enough to achieve the desired effect. Muscle protein breakdown decreased and net balance improved in the carbohydrate group compared to the placebo group.
A six-month aerobic exercise program improved cognitive performance on a decision-making task in older adults by reducing behavioral conflict. The study used functional magnetic resonance imaging to measure changes in brain activity in middle-frontal and superior parietal regions, which were associated with improved performance.
UT Southwestern researchers are studying the effect of supervised exercise on individuals taking SSRIs, with preliminary results indicating positive responses from patients. The goal is to determine if exercise can augment SSRI treatment and reduce all symptoms of depression.
Researchers found that ranolazine significantly reduced angina frequency and nitroglycerin consumption in patients with chronic angina. Additionally, exercise duration increased by 115.6 seconds after 12 weeks of ranolazine therapy, providing promising results for this treatment.
A randomized controlled trial suggests that modest exercise, such as 30 minutes of daily walking, can not only prevent weight gain but also lead to additional loss of weight and fat. The study found a dose-response effect between the amount of exercise and decreases in measurements of central obesity and total body fat mass.
A recent study found that even moderate amounts of exercise can help prevent weight gain in overweight individuals. The research, published in the Archives of Internal Medicine, suggests that more intense physical activity is necessary for weight maintenance and that a modest amount of exercise can reverse positive caloric imbalances.
A study by Oregon Research Institute found that cobblestone mat walking improves pain relief and mental well-being in older adults. Participants who walked on the cobblestone mat experienced enhanced physical activity and reduced stress levels compared to those in an attention control group.
Researchers at UT Southwestern have discovered an effective treatment for McArdle's disease, a rare muscle disorder characterized by fatigue and cramping during exercise. The treatment involves administering an oral source of glucose to improve exercise tolerance in patients with the condition.
A new study found that exercise mode, rather than volume, influences hormone levels and changes in testosterone, DHEAS, and cortisol. Resistance-trained males had higher basal testosterone levels, while endurance-trained males had lower testosterone levels compared to sedentary subjects.
Researchers found that individuals with favorable views of their community were more likely to meet weekly physical activity recommendations. Younger participants, especially those living within $10,000-$20,000 and above $35,000 annually, exhibited higher exercise adherence rates.
A self-management program improved mental and physical functioning in low-income adults with low back pain. The study, funded by the NIH and VA, showed empowering individuals to deal with their pain through exercise and behavior changes significantly reduced symptoms.
A new study from University of Wisconsin-Madison found that mice denied access to a running wheel showed higher levels of neuronal stimulation in certain brain regions, indicating motivation to run. This suggests that some animals may have an addictive nature towards exercise.
A self-management program developed by Indiana University researchers significantly reduced disability, improved mental functioning, and increased physical activity among patients with acute low back pain. The program focused on boosting patient confidence and motivation to incorporate daily activities that alleviate symptoms.
Researchers linked systemic nitric oxide production with changes in the endothelial lining of arteries after stress. Exercise was found to improve the marker in patients at risk for cardiovascular disease.
Cardiac researchers report improved blood flow to ischemic heart muscle using granulocyte colony-stimulating factor (G-CSF), a potential new treatment for intractable ischemia. Meanwhile, ICD patients may be safer with vigorous exercise, while daytime sleepiness significantly affects the quality of life of angina patients.
A new study shows that moderate exercise reduces susceptibility to upper respiratory tract infection by enhancing immune function. Soluble oat fiber â-glucan also boosts immunity, and combining it with exercise may have additional benefits.
A recent study by the American Heart Association recommends regular brisk but comfortable walking to boost cardiovascular fitness. Middle-aged obese adults walked at a self-selected pace and achieved recommended levels of exercise intensity.
Regular exercise has been shown to have a generalized beneficial effect on how the brain functions, reducing symptoms of depression in both animals and humans. Mental practice can also improve strength and recovery from spinal cord injuries.
Exercise has been found to increase brain capillary volume, particularly in older animals, suggesting physical changes may occur. Additionally, monkeys who exercised showed improved performance and mental engagement compared to sedentary groups.