Middle-aged and older adults who tend to be more active in the evening have poorer cardiovascular health than those who are active earlier in the day. This association appears to be more pronounced in women, according to a new study published in the Journal of the American Heart Association. The findings suggest that the time […]
Reduced Sleep Can Alter the Strain on the Heart Caused by Intense Exercise
In one study, participants completed an intense workout after a normal night’s sleep and after three nights of reduced sleep. When they exercised after reduced sleep, levels of the heart damage biomarker troponin rose slightly more than when participants exercised after a full night’s sleep. This study, published in the journal Molecular Metabolism, is a […]
Your Brain Does Something Surprising When You’re Not Sleeping
Almost everyone knows this feeling. After a night of poor sleep, it is more difficult to concentrate. Your thoughts wander, your reaction times slow down, and your mental clarity diminishes, especially when you need to be most alert. New research from MIT sheds light on what happens in the brain during these brief lapses in […]
How Cancer Disrupts the Brain and Triggers Anxiety and Insomnia
Scientists have discovered that breast cancer can disrupt the brain’s internal clock almost immediately after the onset of cancer, without anyone noticing. In mice, tumors flattened the natural daily rhythm of stress hormones, disrupting the feedback loop between the brain and body that regulates stress, sleep, and immunity. Remarkably, when the researchers restored the correct […]
Sleeping in On Weekends can Support Adolescents’ Mental Health and Reduce the Risk of Heart Disease
According to a new study by the University of Oregon and the State University of New York Upstate Medical University, sleeping in on weekends to compensate for sleep deprivation during the week can have positive effects on the mental health of teenagers and young adults. The study found that people aged 16 to 24 who […]
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