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Current Fitness News and Events, Fitness News Articles.
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Evolutionary theory of economic decisions
When survival over generations is the end game, researchers say it makes sense to undervalue long shots that could be profitable and overestimate the likelihood of rare bad outcomes. (2020-08-11)

Grow faster, die sooner
Bacteria are survival artists: When they get nutrition, they multiply rapidly, albeit they can also survive periods of hunger. But, when they grow too quickly, their ability to survive is hampered, as studies by a research team at the Technical University of Munich (TUM) on E. coli bacteria show. The results could help increase the effectiveness of antibiotics. (2020-08-06)

Fitness watches generate useful information, but increase patient anxiety
How does measuring our sleep, exercise and heart rates using various apps and fitness watches affect us? Self-quantifying may better the understanding of our individual health, but according to a new study, it also gives rise to anxiety. The researchers have examined the experiences of fitness watch wearing patients with chronic heart problems. (2020-08-04)

HIIT programs show benefits for those with Down syndrome
Incorporating high-intensity interval training, or HIIT, into exercise programs for individuals with Down syndrome may help achieve critical health outcomes in a more time-efficient manner, according to new researcher. (2020-08-04)

Arrhythmia-free survival is indeed survival of the fittest
In a new study, investigators report that patients undergoing atrial fibrillation (AF) ablation, who are physically fit before the procedure, have a much higher chance of benefiting from the procedure and remaining in normal sinus rhythm. Less fit patients are rehospitalized more often, continue to use antiarrhythmic therapies longer, and have higher death rates than fitter patients. Their results appear in Heart Rhythm. (2020-08-03)

Surrey's simplified circuit design could revolutionise how wearables are manufactured
Researchers have demonstrated the use of a ground-breaking circuit design that could transform manufacturing processes for wearable technology. (2020-08-03)

Aerobic exercise could have the final say on fatty livers
Trinity College Dublin study is the first to demonstrate significant improvements in biopsy-measured liver outcomes in a metabolic associated fat liver disease (MAFLD) cohort following an exercise-only intervention, without clinically significant weight loss. (2020-07-29)

Weight loss not always best strategy to enhance athletic fitness in young women
In women under 30, thinner and leaner, particularly at the extremes of low body size, does not necessarily equate with better cardiorespiratory fitness. Rather than emphasizing weight loss, better strategies for maximizing athletic performance in young women may include changes in training intensity, training frequency, skill acquisition, competition strategy, sleep and nutrition. (2020-07-27)

Leaving money on the table to stay in the game
Unlike businesses or governments, organisms can't go into evolutionary debt -- there is no borrowing one's way back from extinction. This can lead to seemingly irrational economic choices that suddenly make sense when viewed as a multiplicative, evolutionary process. (2020-07-27)

Nearly 60% of American children lack healthy cardiorespiratory fitness
Cardiorespiratory fitness (CRF) measurement provides insight into cardiovascular and overall health, including cognitive and academic functions, among children and teens. Healthy CRF is linked to better heart and blood vessel health, academic achievement, mental health and many other positive outcomes in youth. Most pediatric health care offices do not have the facilities to conduct CRF testing routinely in children. (2020-07-20)

Increased blood sugar levels may decrease benefits of aerobic exercise
Some benefits of aerobic exercise may be dampened by higher-than-normal blood sugar levels, a condition known as hyperglycemia. These diminished gains are seen in mouse models and humans with chronic hyperglycemia that is in the 'prediabetes' range. (2020-07-20)

Signal transduction in cells: Precise or economical?
A cellular signalling cascade balances information transmission against energy consumption. (2020-07-19)

Signs of early heart failure revealed in patients with type 2 diabetes
Adults with type 2 diabetes that have no history, signs or symptoms of heart problems have been shown to have severely limited exercise capacity. (2020-07-16)

Expand school digital literacy lessons to cover health technologies used by young people
Young people need more support to navigate the growing number of digital technologies which track and manage their health, say researchers. (2020-07-15)

Physical activity of older people requires tailored monitoring
The ability to move about may deteriorate when ageing, a phenomenon which needs to be considered when assessing physical activity in older people. (2020-07-08)

Increased risk of injury in contact sports after prolonged training restrictions
Athletes who play contact sports are being particularly hard-hit by the prolonged restrictions imposed on games and training, according to a new study. (2020-07-06)

Why are the offspring of older mothers less fit to live long and prosper?
In a new study in rotifers (microscopic invertebrates), scientists tested the evolutionary fitness of older-mother offspring in several real and simulated environments, including laboratory culture, under threat of predation in the wild, or with reduced food supply. They confirmed that this effect of older maternal age, called maternal effect senescence, does reduce evolutionary fitness of the offspring in all environments, primarily through reduced fertility during their peak reproductive period. They also suggest an evolutionary mechanism for why this may occur. (2020-07-02)

Traditional strength training vs jump training for physically inactive young adults
The aim of this study was to compare the effects of 4-weeks of Traditional Resistance Training versus Plyometric Jump Training programs on the muscular fitness of sedentary and physically inactive participants. (2020-06-30)

Goodbye 'extinction,' hello 'evanescence'? Validating a new paradigm
Naturalist and zoologist Georges Cuvier established extinction as a distinct field of science in a series of publications beginning in 1799. He confirmed that fossil species were formerly living species no longer extant, confirming similar conclusions of classical Greek scholars. However, mechanisms thought to control the process remained controversial for two centuries. (2020-06-18)

Time-saving high-intensity workouts can benefit people with spinal cord injuries
Research from the Department of Kinesiology at McMaster University has found that the practical advantages of high-intensity interval training (HIIT), or short bursts of all-out exercise, could be especially beneficial for people who have experienced spinal cord injuries (SCI). (2020-06-11)

New study of endangered pacific pocket mice provides valuable genetic insights
Drawing on genetic data from six generations of Pacific pocket mice in this program, a new study has tracked reproductive success relative to a mouse's ancestral population. The findings, published this month in the journal Conservation Genetics, indicate that genetic diversity should be introduced from the larger, genetically healthier populations of Pacific pocket mice into a smaller, less healthy population -- and not the reverse. (2020-06-10)

AI sentencing tools need to be closely scrutinised, says new study
Judges should closely vet the AI tools they use to help them predict whether a defendant is likely to re offend, urges a new study. (2020-06-09)

NUS and Stanford researchers uncover a new mindset that predicts success
To succeed in modern life, people need to accomplish challenging tasks effectively. Many successful entrepreneurs, businesspeople, students, athletes and more, tend to be more strategic -- and hence, more effective -- than others at meeting such challenges. A new study published this week in the Proceedings of the National Academy of Sciences shows that one important psychological factor behind their success may be a 'strategic mindset'. (2020-06-09)

Understanding the role of cardiorespiratory fitness and body composition in brain health
Researchers at the Beckman Institute at the University of Illinois at Urbana-Champaign have demonstrated that brain chemistry is sensitive to fitness and body composition. (2020-06-02)

Stanford Medicine study details molecular effects of exercise
A simple blood test may be able to determine how physically fit you are, according to a new study conducted by scientists at the Stanford University School of Medicine. (2020-05-28)

Exercise improves memory, boosts blood flow to brain
Scientists have collected plenty of evidence linking exercise to brain health, with some research suggesting fitness may even improve memory. But what happens during exercise to trigger these benefits? (2020-05-20)

Self-isolating? Get fit faster with multi-ghost racing
Eager to ramp up your fitness while stuck at home? A new generation of virtual reality (VR) exergames nudges home-based cyclists to perform a lot better by immersing them in a crowd of cyclists. And as all cyclists participating in the race are versions of the flesh-and-blood player, the Covid-19 norms of social distancing are maintained even in the parallel universe of VR. (2020-05-19)

People with atrial fibrillation live longer with exercise
More than 100,000 Norwegians have atrial fibrillation. They should be actively exercising for their health. (2020-05-19)

Genetic tradeoffs do not stop evolution of antibiotic resistance
Bacteria can still develop antibiotic resistance even in the face of challenging genetic tradeoffs, or compromises, associated with varying antibiotic concentrations, says a new study published today in eLife. (2020-05-19)

New functions of a protein may improve biocontrol methods in sustainable agriculture
The laboratory of the UMA 'BacBio' has proved that Bacillus subtilis cells, when deprived of an amyloid protein (TasA), exhibit a range of cytological anomalies and dysfunctions leading to their premature death. A discovery that enables progress to be made in understanding the role of these proteins, widely distributed in the microbial world, and helps improve biological control methods in sustainable agriculture. This research has been recently published in the scientific journal Nature Communications. (2020-05-14)

Online exercise advice rarely aligns with national physical activity guidelines
Whether for convenience, cost or comfort, many people look to online resources for fitness and exercise information -- especially when faced with fitness center and gym closures during the COVID-19 pandemic. Unfortunately, most internet-based recommendations for physical activity don't match up with the guidelines supported by national health organizations, a recent study from Oregon State University found. (2020-05-14)

Smart use of genomic data needed in species conservation
A 'step-change' in conservation is needed in order to help save species from extinction in the future, according to an academic at the University of East Anglia (UEA). Professor of evolutionary genetics Cock van Oosterhout calls for the smart use of genomic data to make populations more resilient to future genetic drift and inbreeding, and proposes a new 'road map' for what needs to be done in conservation to achieve this. (2020-05-04)

How gene flow between species influences the evolution of Darwin's finches
Despite the traditional view that species do not exchange genes by hybridisation, recent studies show that gene flow between closely related species is more common than previously thought. A team of scientists from Uppsala University and Princeton University now reports how gene flow between two species of Darwin's finches has affected their beak morphology. The study is published today in Nature Ecology and Evolution. (2020-05-04)

Cardiorespiratory fitness assessment improves accuracy of health predictions
According to a new study in Mayo Clinic Proceedings, published by Elsevier, taking cardiorespiratory fitness (CRF) into account along with traditional risk factors such as age, sex, blood pressure, cholesterol, and smoking, improves the accuracy of mortality risk assessment. (2020-04-30)

A new explanation for the origins of human fatherhood
The origins of paternal care, a key differentiator between humans and other primates, have long been tied to ancestral females trading their own sexual fidelity for food provided by their mates. A new theory developed by economists and anthropologists states that ecological changes, beginning roughly 5-8 million years ago, placed a premium on partnerships - both between and within sexes - and fueled the emergence of males who provided food for their offspring. (2020-04-27)

How exercise supports your mental fitness: Current recommendations
Sporting activities can bring about a long-term improvement in cognitive performance across all age groups. However, the effects differ between men and women, and not all sports provide the same impact. Researchers at the University of Basel and the University of Tsukuba have provided recommendations based on a comprehensive analysis of previous studies. (2020-04-16)

Clemson scientist explores the colorful intricacies of pollen
A collaborative study by Clemson scientist Matthew Koski suggests that pollen color can evolve independently from flower traits, and that plant species maintain both light and dark pollen because each offers distinct survival advantages. (2020-04-16)

Some worms programmed to die early for sake of colony
Some worms are genetically predisposed to die before reaching old age, which appears to benefit the colony by reducing food demand, finds a new UCL-led study published in Aging Cell. (2020-04-16)

Benefits of exercise on metabolism: More profound than previously reported
The effects of exercise on metabolism are even greater than scientists believed. That's the finding of a unique study published today in Cardiovascular Research, a journal of the European Society of Cardiology (ESC). (2020-04-01)

Poor fitness may impede long-term success in weight loss program
People who are very out of shape when they begin a behavioral weight loss program lose less weight in the long term than those who are more fit, suggests a new study that was accepted for presentation at ENDO 2020, the Endocrine Society's annual meeting, and will be published in a special supplemental section of the Journal of the Endocrine Society. (2020-03-31)

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