Proceedings of the National Academy of Sciences
Myth Busted: Your Body Isn’t Canceling Out Your Workout
A new study published in the Proceedings of the National Academy of Sciences reports that being physically active increases the total amount of energy a person uses each day. The research, led by scientists at Virginia Tech working with colleagues from the University of Aberdeen and Shenzhen University, found that this increase happens without the body cutting ...
Researchers Shed Light on How Exercise Preserves Physical Fitness During Aging
Proven to protect against a wide array of diseases, exercise may be the most powerful anti-aging intervention known to science. However, while physical activity can improve health during aging, its beneficial effects inevitably decline. The cellular mechanisms underlying the relationship among exercise, fitness and aging remain poorly understood. In a paper published in the Proceedings of ...
Daytime Eating May Benefit Mental Health
Beating the blues with food? A new study adds evidence that meal timing may affect mental health, including levels of depression- and anxiety-related mood. Investigators from Brigham and Women’s Hospital, a founding member of the Mass General Brigham health care system, designed a study that simulated night work and then tested the effects of daytime ...
Face Masks Critical in Preventing Spread of COVID-19
A study by a team of researchers led by a Texas A&M University professor has found that not wearing a face mask dramatically increases a person’s chances of being infected by the COVID-19 virus. Renyi Zhang, Texas A&M distinguished professor of atmospheric sciences and the Harold J. Haynes hair in the College of Geosciences, and ...
Biology of Leptin, The Hunger Hormone, Revealed
In a new study, Yale researchers offer insight into leptin, a hormone that plays a key role in appetite, overeating, and obesity. Their findings advance knowledge about leptin and weight gain, and also suggest a potential strategy for developing future weight-loss treatments, they said. The study, led by investigators at Yale and Harvard, was published ...
Physicists Develop New Mathematical Approaches to Analyze Interactions Between Gut Bacteria
The gut microbiome—the world of microbes that inhabit the human intestinal tract—has captured the interest of scientists and clinicians for its critical role in health. However, parsing which of those microbes are responsible for effects on our wellbeing remains a mystery. Taking us one step closer to solving this puzzle, University of California Santa Barbara ...
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