A new American College of Cardiology Scientific Statement recommends prescribing exercise that is safe, achievable and sustainable over time to treat and prevent heart disease. Regular physical activity improves exercise capacity, reduces hospitalization and enhances quality of life, with small increases producing meaningful benefits.
Researchers discovered a transcription factor called PPARD that can be activated in immune cells to fight cancer. Activating PPARD in CAR T cells slowed or stopped tumor growth in various cancer types, including colorectal, breast, ovarian, and melanoma.
A new study published in the Journal of Affective Disorders found that children and teenagers with better cardiorespiratory fitness had a lower risk of developing depression as adults. The research, which spanned over 30 years, examined the fitness of Australian children aged 7-15 and found that cardiorespiratory fitness was the strong...
Harvard chemists have developed a method to engineer the evolutionary landscape of viruses, pushing them away from high-risk variants and into evolutionary dead ends. The approach, called fitness landscape design, uses antibody combinations to suppress mutations and prevent the emergence of new viral strains.
A one-year tailored exercise program significantly reduced atrial fibrillation (AF) burden and improved cardiorespiratory fitness in patients with non-permanent AF. Despite lack of significant improvements in quality of life, the exercise intervention showed meaningful benefits in measures of fitness and hospitalisations.
When multiple evolutionary paths are equally advantageous, organisms tend to drift toward flatter regions of the evolutionary landscape, favoring traits that provide greater robustness and tolerance. This suggests that biological robustness and resilience can emerge spontaneously through evolutionary dynamics.
Researchers found that higher cardiorespiratory fitness is associated with a slower age-related decline in kidney function. The study of 198 adults with preserved kidney function found that maintaining cardiorespiratory fitness may help protect kidney health later in life.
Objective physical fitness assessments reveal a graded association between balance, agility, strength, and cardiorespiratory fitness with reduced all-cause mortality. This study suggests integrating fitness assessments into routine practice may improve risk stratification and guide function-oriented interventions.
A new study reveals that station leaders play a critical role in shaping firefighters' physical readiness. Crews staffed with fit captains and lieutenants scored noticeably higher on physical readiness tests than those without, suggesting that a complete leadership structure creates better environments for healthy routines.
A mathematical model shows that greater fitness is not enough for a population to succeed; expansion speed and position also play crucial roles. Less fit species can win if they occupy favorable positions, such as peaks or protrusions.
Researchers at UCLA created a 'cell village' approach to study the genetics of brain cell fitness, which revealed that individuals with autism are more likely to have faster-dividing cells. This discovery could lead to early mechanistic understanding of how autism develops and improve personalized treatment.
A recent study has found that vaping and smoking can lead to reduced blood vessel functionality, breathing efficiency, and exercise capacity in young adults. The research, conducted on 75 people aged 18-30, revealed a 15% reduction in fitness compared to those who have never smoked or vaped.
Recent studies validate AI-based chatbots as effective alternatives to human fitness professionals for generating personalized training programs. However, limitations in nuance and continuous monitoring require hybrid models combining AI tools with human expertise.
A new study led by Penn State researchers found that just four minutes of daily strengthening exercise can significantly improve key factors in quality of life for aging adults. The study showed that strength and mobility improved dramatically in adults aged 65 and older, leading to better independence and reduced fall risk.
Fluconazole-resistant Candida auris benefits from zinc deficiency, exhibiting increased pathogenicity and resistance to macrophage-mediated killing. Suppression of ZCF4 enables the fungus to impede phagocytic clearance via suppression of MMP-9 activity.
Regular physical activity improves blood pressure, insulin sensitivity, cholesterol levels, and cardiorespiratory fitness in adults with overweight or obesity. Exercise is essential for maintaining weight loss and supporting overall heart and metabolic health.
A new study of over 1 million young Swedish men found that the risk of atrial fibrillation is less than previously calculated, and the benefits of high fitness levels outweigh the risks. After age 40, the balance shifts in favor of higher fitness levels, suggesting that the benefits of exercise may be more significant.
Research shows that intrinsic motivations, such as enjoying physical activity and feeling healthy, consistently matter most in predicting aerobic fitness. Teenagers who value these factors are significantly fitter at 17 than those motivated primarily by winning or external rewards.
Adults should aim for 560-610 minutes of moderate to vigorous exercise a week to achieve significant cardiovascular risk reduction. Current guidelines are too low, and individuals with lower fitness levels need more exercise to achieve equivalent benefits.
Children who engaged in regular outdoor play had lower sedentary time and higher moderate-to-vigorous physical activity in adulthood, while those experiencing exercise restrictions during childhood had lower adult physical activity levels. These findings support personalized lifestyle interventions for patients with CHD.
A new study found that young men who viewed idealized fitness or supplement videos on TikTok reported lower fitness satisfaction and stronger intentions to use creatine, a popular muscle-building supplement. The researchers highlight the need for targeted media literacy education and responsible social media practices.
A new American Heart Association scientific statement recommends that children and adolescents with certain heart conditions participate in physical activities after a detailed individualized risk assessment. Light-to-moderate intensity exercise may be suitable to maintain physical fitness and quality of life, while structured physical...
A study found that higher midlife cardiorespiratory fitness is strongly associated with later onset of chronic disease, lower overall disease burden, and longer life expectancy. Adults with higher fitness levels developed fewer chronic diseases and spent more years free from serious illness.
Combining resistance training and aerobic exercises significantly enhances aerobic fitness, muscle strength, and walking distance in heart failure patients. Adding resistance training to aerobic workouts increases muscle strength more than exercising aerobically alone.
A new study confirms a direct link between good physical fitness and reduced risk of suffering from over 30 diseases. Individuals with high genetic predisposition to be physically fit exhibit lower risks of cardiovascular conditions, diabetes, and asthma, while also showing better health in metabolic and inflammatory aspects.
Linguistic cleverness could have emerged with early grammar and verb-noun compounds creating expressive nouns. Skilled deployers of such compounds may have had higher reproductive fitness than less witty individuals.
A new study by Finnish researchers found that lower hemoglobin levels within the normal range may be beneficial for glucose metabolism and cardiovascular health. The study, conducted on 64 adults, revealed an association between lower hemoglobin levels and improved physical fitness, heart health, and reduced liver fat.
A team of scientists has developed a technical system for regulating plant disease resistance without obvious fitness costs. They achieved this by identifying and utilizing in-frame AUGs in functional genes, including PI4KIII β1, to specifically regulate resistance gene expression through protein translation reprogramming.
Scientists identify Roseburia genus bacteria in human intestine associated with increased muscle mass and strength. The study suggests that the bacteria could be used as a probiotic to help preserve muscle strength during aging.
A new study by UCL researchers found that increasing physical fitness leads to a bigger release of brain-boosting proteins after just one session of exercise. The 12-week training program improved cognitive function and boosted brain-derived neurotrophic factor (BDNF) levels, supporting the formation of new neurons and maintaining brai...
A comparative effectiveness study found that lower music volume levels in group fitness classes did not significantly impact perceived exercise intensity. The research suggests implementing safer sound practices and increased awareness on hearing protection to minimize the risk of noise-induced hearing loss.
A pediatric investigation study reveals a two-way association between teen fitness and confidence, highlighting the importance of holistic youth health strategies. The study found that cardiorespiratory fitness, strength, and self-efficacy mutually reinforce each other during adolescence.
A study by Cornell University found that people prioritize enjoyment over time when evaluating their progress toward goals in fitness, education, and careers. In one study, participants who enjoyed a workout reported making more progress despite taking less time than those who didn't enjoy the activity.
A Finnish study found that verifying adolescents' maximal oxygen uptake requires a brief phase to ensure reliable results. The researchers also discovered that different time averaging strategies can significantly affect the final measurement values, highlighting the need for explicit strategy specification.
A pooled data analysis of 52 studies involving 6485 people found that transgender women have similar upper and lower body strength, cardiorespiratory fitness, and muscle mass compared to cisgender women. However, their physical fitness is comparable despite greater muscle mass 1-3 years after hormone therapy.
A large longitudinal study found that prolonged physical inactivity increases the body's stress burden by midlife. Engaging in regular physical activity, especially in adulthood, appears to protect against this effect. The study suggests that exercise habits throughout adulthood play a crucial role in coping with long-term stress.
Dog owners experienced a decline in physical activity during the COVID-19 pandemic but returned to pre-pandemic levels. Non-dog owners showed no significant changes. Before the pandemic, dog ownership was associated with high exercise self-efficacy, predicting greater physical activity.
A $25M study will enroll 18,000 adults at high risk of heart disease and track their progress using smartphone fitness trackers. The trial aims to prove that increasing physical activity can prevent heart attacks and strokes.
A new study from the University of Gothenburg has found that high teenage BMI and poor physical fitness are associated with a higher risk of developing severe bacterial infections in adulthood. The study, which followed over 44,000 men for three decades, shows that even at high normal weight, individuals are already at increased risk.
Research suggests that health apps, wearables, and interactive programs can improve physical activity, diet, and weight outcomes for children and teens. Mobile apps had the greatest impact on diet and weight outcomes, while wearables were most effective for reducing sedentary time.
Exercise now considered a key component of asthma management, with aerobic, resistance, and flexibility training recommended. Wearable devices and home spirometry monitor lung function and exercise intensity for personalized plans.
Recent studies from the University of Eastern Finland suggest that an active lifestyle, good physical fitness and moderate screen time are crucial for brain development in adolescence. Better physical fitness was associated with increased excitability and stronger inhibition of the motor cortex, while passive screen time weakened corti...
A new study from Karolinska Institutet found that countries with higher human development indices and lower gender inequality have higher levels of cardiorespiratory fitness among young adults. Women's VO2peak was significantly higher in countries with high gender equality compared to those with low gender equality.
A new study found that fitness and calorie counting apps can lead to negative emotions such as shame, disappointment, and demotivation among users. The researchers called for a more holistic approach focusing on wellbeing rather than rigid calorie counting and exercise quantification.
A study published in the British Journal of Health Psychology reveals that commercial fitness apps can have negative themes such as quantifying diet and physical activity challenges, oversimplified algorithms, and aversive emotional responses. The findings suggest a need for user-centered design prioritizing wellbeing over rigid goals.
A 4-week intervention study found that adhering to UK Physical Activity Guidelines improves cardiorespiratory fitness and increases muscle thickness and strength in older adults. This study demonstrates the potential of physical activity guidelines for improving health and functional well-being in older adults.
A systematic review found exercise snacking significantly improves cardiorespiratory fitness in adults, with high compliance rates. However, its impact on muscular endurance and cardiometabolic factors was limited.
A new study found that pediatric athletes' cardiovascular systems adapt to increased fitness with abnormal changes, including increased cardiac mass, central blood pressure, arterial stiffness, and carotid intima-media thickness. These changes are not yet fully understood and may have long-term effects on cardiovascular health.
The NFL PLAY 60 Ambassador program brings mascot energy to encourage active, healthy kids. With the American Heart Association's guidance, the initiative aims to help kids achieve a minimum of 60 minutes of moderate-to-vigorous physical activity daily.
A study by the University of Gothenburg found that girls who are dissatisfied with their bodies receive lower grades in Physical Education. Children who have positive confidence in their physical ability, regardless of gender, tend to perform better. Positive body image is crucial for promoting a lifelong interest in physical activity.
Researchers tested a popular evolutionary theory by comparing maternal length and fetal sex in over 100,000 whales. They found that the fetal sex ratio skews female for longer body size, suggesting that female calves benefit more from heritable fitness than males do. The findings contradict the Trivers-Willard hypothesis.
Researchers derive a scaling law to predict mutant emergence in growing cell populations, considering factors like population size and dimensionality. The law also accounts for intermediate mutants with varying fitness, providing insights into evolutionary biology and biomedicine.
Researchers linked physical fitness to blood biomarkers using AI and machine learning. Aspartate emerged as a key player in predicting activity level and healthy aging. The study mapped dynamic interactions between metabolites and revealed a molecular bridge between muscle-liver health and brain resilience.
A new University of Georgia study found that childhood exercise habits can significantly impact adult physical health, with healthier habits in adolescence setting the stage for a lifetime of fitness. The study suggests that maintaining these habits is crucial to preventing cardiovascular disease and obesity.
A clinical trial found that pork-based meals supported better recovery, mood and anabolic status in military cadets compared to plant-based meals. Cadets who consumed lean pork-based meals showed reduced muscle soreness and inflammation, while improving testosterone levels.
The American Heart Association and NFL are teaming up to inspire kids to be active for at least 60 minutes a day, with a focus on improving school performance and health. The initiative includes new resources such as the NFL PLAY 60 Family Challenge and expanded financial grants programs for schools.
New research reveals that older age and low aerobic fitness levels are strong and independent risk factors for heartbeat irregularities, or arrhythmias, in healthy adults. Regular exercise can help reduce the risk of frequent and complex atrial arrhythmias.
A cross-sectional study found that greater lean mass and fitness are associated with fewer anxiety and depression symptoms in preadolescent children. Higher visceral adipose tissue, on the other hand, is linked to increased symptoms of both anxiety and depression.
Researchers found that attending live events in person, with active participation and recurring attendance, can help combat loneliness and build social connections. These characteristics were key predictors of stronger feelings of social connection during events.
Attending live events enhances feelings of social connection, with active participation key to maximizing benefits. Regular participation is necessary to sustain these benefits, suggesting the need for small, consistent choices to combat loneliness.