Research on physical activity and how it affects health. Covers running and step counts, disease risk reduction, fitness tracking, and exercise physiology.
People with colon cancer who engage in moderate exercise after therapy have a 50% higher survival rate than those who don't, according to Dana-Farber Cancer Institute research. Regular physical activity also reduces the risk of disease recurrence and mortality.
A recent study published in JAMA Network found that older adults who engage in more daily physical activity have a lower risk of death. The researchers measured energy expenditure over a two-week period using doubly labeled water and found that higher levels of activity were associated with a 69% lower risk of death.
A study of 37,636 women found a significant association between healthy behaviors and reduced stroke risk. Women with higher health index scores, indicating healthier lifestyles, had a lower risk of ischemic stroke compared to those with lower scores.
Researchers found that practicing a combination of Qigong and Tai Chi improved balance, lower body strength, and stance width in healthy senior citizens. Participants also reported enhanced mental, emotional, and spiritual well-being after just two months of practice.
A large-scale study found that smoking and obesity are strongly associated with a greater risk of erectile dysfunction (ED), while regular physical activity lowers the risk. Regular exercise was found to reduce ED risk by 2.5 times, emphasizing the importance of adopting a healthier lifestyle.
A study by American Physiological Society found that sildenafil can improve cardiac output and exercise performance during acute hypoxia, but not at normoxia. The results show that responders improved their time trial performance at altitude with sildenafil, while non-responders showed no significant improvement.
A study of 14 volunteers found that drinking cherry juice before and after exercise resulted in a significant reduction in muscle pain and a slight increase in muscle strength. The antioxidant and anti-inflammatory properties of cherry juice were found to be effective in preventing muscle damage.
A new method of user-testing in interactive games is being developed using 'immersidata,' which captures machine-readable records of commands sent by players. The tool, ISIS, analyzes these records to identify problems in game design and development, including navigation errors and emotional responses.
Researchers at the University of Virginia Health System developed a new test for peripheral arterial disease (PAD) using MR spectroscopy, a technique from the 1970s. The test measures phosphocreatine recovery time in leg muscles after exercise, indicating PAD severity and potential complications.
A randomized, controlled study found that exercise reduced cancer-related fatigue and improved strength during radiation treatment, with participants taking at least 12,000 steps per day. The study showed that moderate physical activity resulted in significant improvements in aerobic capacity and reduced fatigue.
Researchers found that leisure activity levels significantly impact bone mass increase in children and adolescents, with more intense physical activity leading to greater increases in bone density. Exercise during childhood is crucial for optimal bone accrual and reducing the risk of osteoporosis later in life.
A double-blind randomized controlled trial found that two breathing techniques can reduce reliance on medication and improve quality of life for adults with mild asthma. Participants experienced an 86% decrease in reliever medication use over a period of eight months.
A study found that exercise alone can reverse negative effects of inactivity on cardiovascular health, with moderate intensity exercise showing significant benefits. The research suggests that even a small amount of physical activity can reduce risks for developing conditions like heart disease, stroke, and diabetes.
Researchers found that intermittent stresses like high blood pressure cause cardiac abnormalities before the heart enlarges. Exercising mice showed enlarged hearts without damage, while hypertensive mice exhibited structural and cellular changes early on.
A new study found that calorie restriction decreases tumor necrosis factor alpha and lowers T3 levels in humans, suggesting it may slow the aging process. The researchers also found no association between body fat levels and serum T3 concentrations.
Researchers found that following a healthy lifestyle plan, including memory exercises, physical activity, and balanced diet, significantly improved brain metabolism and cognitive function in just 14 days. The study suggests that simple lifestyle changes can have a lasting impact on mental health and overall well-being.
A study of 85 women with COPD found they had lower lung function, more trouble breathing, and a worse quality of life compared to men. The researchers suggest that comprehensive assessments can lead to improved treatment outcomes for all COPD patients
A new study from the University of Wisconsin-Madison found that a negative energy balance, induced by exercise and lower body weight, inhibits the growth of polyps in mice. The researchers also discovered that exercising mice had fewer polyps and less body fat compared to non-exercising mice.
Studies found that exercise reduced tumour development and improved survival in mice exposed to ultraviolet B light. Exercise also decreased body fat and enhanced programmed cell death in cancer cells. The studies suggest that voluntary exercise may protect against skin and bowel cancers, but more research is needed to confirm this.
A five-month study published in the American Journal of Physical Medicine and Rehabilitation found that exercise during dialysis increases urea removal by 20% and improves physical function. Participants exercised three times a week, resulting in enhanced dialysis efficacy and better quality of life.
Researchers will investigate the biological processes linking exercise with disease in children, examining how exercise impacts growth, development, and immune function. The goal is to develop effective exercise programs to lower obesity rates and improve health outcomes for children with chronic diseases.
Researchers found that aerobic training can reverse abnormal production of certain neurohormones that cause severe symptoms of heart failure. The study suggests that exercise may be a novel non-pharmacological aid for improving functional capacity, systolic function, and quality of life in heart failure patients.
A recent study published in the International Journal of Obesity discovered that oxyntomodulin, a hormone, can reduce food intake and increase energy expenditure in overweight volunteers. This finding holds promise for developing a new therapy to treat obesity, shifting focus from dieting alone to increasing spontaneous activity levels.
A new study by University of Florida researchers found that bullying among overweight children is linked to lower rates of physical activity and depression. The study suggests that positive support from family and friends can help mitigate the negative effects of bullying on exercise habits.
Researchers found that patients with severe COPD walked significantly further while breathing Heliox 28 than with other gas mixtures. The study suggests that using lower-density helium gas can reduce airway resistance and improve respiratory gas exchange for these patients.
A new study by the University of Iowa found that early intervention with electrical stimulation can significantly reduce bone mineral density loss in SCI patients. The therapy, which involves delivering defined doses of load to targeted muscles and bones, was shown to improve bone health and muscle strength.
Researchers found that prolonged calorie restriction caused a reversal in biomarkers of longevity, metabolic adaptations, and reduced DNA damage. The study also showed significant reductions in fasting insulin levels and core body temperature in intervention groups.
Research finds that abdominal fat is a significant contributor to exercise-induced shortness of breath in obese individuals, surpassing the effects of overall weight. The study highlights the importance of targeted weight loss and adapted exercise recommendations for patients with high amounts of abdominal fat.
A study found that regular religious attendance is linked to a lifespan extension of 1.8-3.1 years, comparable to statin therapy (2.1-3.7 years) and physical exercise (3.0-5.1 years). Religious attendance may also be more cost-effective than statins.
Researchers found that stretching increases resistance to injury by producing nitric oxide, but inhibiting NO production eliminates protection. The study suggests that understanding how stretching works can help prevent muscle injuries and promote healthy aging.
A new study published in Obesity Research suggests that visceral fat is strongly correlated with waist circumference and independently predicts mortality risk. The researchers recommend measuring waist circumference as a routine measure in clinical practice to predict the risk of future disease and mortality.
A six-month walking exercise program may help alleviate cognitive impairment in cancer survivors. Researchers aim to identify new tactics to improve quality of life for those affected by chemotherapy-induced memory problems.
A JAP study reveals that headdown bedrest accurately models the physiological responses of astronauts to spaceflight, with similar declines in cardiorespiratory responses to exercise. This finding has important implications for helping space travelers and aiding earthbound elderly individuals.
A new study found that weight training significantly improved the quality of life for breast cancer survivors, reducing symptoms such as depression and anxiety. The exercise program also increased lean body mass and upper body strength.
A 12-month supervised exercise program reduced severe menopausal symptoms by a quarter and improved quality of life in postmenopausal women. The study also found significant improvements in physical and psychological functioning, as well as positive state of mind, among the exercise group compared to those who did not participate.
Researchers analyzed data from the Nurses' Health Study and found that moderate-intensity exercise has a negligible risk of sudden cardiac death in women. The study suggests that regular exercise can significantly minimize this risk, making it a safe and beneficial activity for healthy adults.
A study found that mental stress can reduce heart blood flow in patients with coronary artery disease, even those without symptoms of ischemia during physical stress tests. Six out of 29 patients showed signs of ischemia on images produced after a mentally stressful role-playing scenario.
Older subjects showed a significant increase in exercise efficiency and reduced oxygen debt after aerobic exercise training. The study's findings suggest that a lack of fitness, rather than aging itself, contributes to the decline in exercise capacity.
Researchers found that four major parameters return to normal after one day, and all changes recover within three days. Blood pressure variability is a key predictor of competition time, with low frequency variability being the most significant factor.
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.
Researchers found that parents' conflict resolution styles predict children's reactions to simulated phone conflicts, with both overtly hostile and indifferent approaches linked to increased distress. Children's prior experiences with parental conflicts can alter their coping mechanisms for later conflicts.
The American Physiological Society has published a resource book on animal exercise protocols to promote informed dialogue and improve animal welfare. The book covers various aspects of exercise research, including study design considerations, animal stress, and common exercise protocols using different species.
The Patient-centered Assessment and Counseling for Exercise + Nutrition (PACE+) intervention improved diet and physical activity habits among teens. After one year, adolescents in the PACE+ program reduced their sedentary behaviors by one hour per day and increased their number of active days.
Researchers found that a four-year study combining weight-bearing exercise and calcium supplementation increased bone mineral density in women by 1-2%, reversing typical loss of BMD with age. The regimen, developed for the BEST Study, includes six core exercises to build bone in key fracture sites.
A significant number of emphysema patients experience improved survival, exercise ability, and quality of life after lung-volume reduction surgery. The study confirms earlier findings and suggests the operation should be recommended for many patients with end-stage emphysema.
A study by University of Iowa authors found that consumers have a bias for the whole, preferring larger bills due to processing fluency. This affects their willingness to use smaller bills, as they associate value with larger bills.
A comprehensive survey of physical activity in children reveals that about half of active kids participate in non-organized sports, such as biking or walking to a friend's house. The study also highlights demographic and social factors that influence physical activity levels in children.
A study of 1,740 adults aged 65+ found that regular exercise reduced the risk of dementia by 32%. The research followed participants for an average of 6.2 years and analyzed their physical activity levels in relation to cognitive function.
A large prospective study found that exercise reduces dementia risk by 30-40% in older adults. The study also highlights the importance of monitoring physician performance and addressing disparities in healthcare outcomes.
A new study published in Annals of Internal Medicine found that regular exercise reduces the risk of dementia and Alzheimer's disease by 30 to 40 percent. The study, which followed 1,750 adults aged 65 and older for six years, showed that exercising three or more times a week significantly reduced the risk of developing dementia.
A six-year study of 1,740 Group Health members found that regular exercise reduced the risk of developing dementia by 30-40%. Exercise may improve brain function by boosting blood flow to areas used for memory, according to lead investigator Eric B. Larson.
Researchers found that watching comedy films increased brachial artery blood flow in 19 out of 20 participants, while sad movies reduced it. The impact was equivalent to a bout of aerobic exercise or starting statin treatment.
Research suggests that caffeine may impair peak heart function by blunting the increase in myocardial blood flow needed during exercise. The study found significant reductions in blood flow measurements after caffeine intake, particularly in individuals with reduced coronary flow reserve.
A three-week diet and exercise study shows that Type 2 diabetes and metabolic syndrome can be reversed through lifestyle changes, with half of participants experiencing a clinical diagnosis reversal. The regimen improved factors contributing to heart disease, such as insulin resistance and high cholesterol.
A recent Ohio State University study found that exercise significantly speeds up wound healing in older adults, with wounds healing an average of 10 days faster in the exercising group. The study suggests that exercise may play a role in regulating cortisol levels, which could be a key biological pathway for enhanced wound healing.
A Northwestern University study found that self-directed walking exercise at least three times a week slows the decline of physical abilities in people with peripheral artery disease (PAD). Participants with the worst PAD at the start of the study were most likely to benefit from this type of regular exercise program.
A study published in Annals of Internal Medicine found that yoga, specifically Viniyoga, significantly improved back function and reduced pain in patients with lower back pain. Regular home practice and supervised instruction were essential for successful treatment.
A Group Health study found that yoga was more effective than traditional exercise and education for treating back pain. After 12-26 weeks, patients in the yoga group showed significant improvements in daily activities, back-related function, and pain levels.
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 recent study found that exercise is related to gastrointestinal symptoms and protective against them, contradicting previous assumptions. Participants who engaged in physical activity experienced lower levels of GI problems, including abdominal pain, irritable bowel syndrome, diarrhea, and bloating.