Fitness
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Sweating for Sleep: Examining Evening Exercise and its Effects on Sleep Duration
This small, randomized crossover trial demonstrates that short, repetitive bouts of early evening exercise lead to an increase in total sleep time compared to prolonged sitting.
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Stress Reduction for Physicians — What Works?
A randomized controlled study of 129 physicians demonstrated that a two-month regimen of sudarshan kriya yoga, incorporating stretching, breathing, and meditation, is associated with reduced stress, anxiety, and depressive symptoms when compared to conventional stress management training.
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Walking at Work: A Helping Hand for a Healthier Heart
A large prospective cohort study demonstrated that prolonged sitting at work increases the risk for all-cause and cardiovascular disease mortality, but even short periods of physical activity throughout the day may help mitigate the negative effects.
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Racing Against Depression and Anxiety: Measuring Running vs. Antidepressant Therapy
This prospective study blending randomization with preference compared a running program with antidepressant therapy in adults with depression or anxiety and showed an improvement in mental health in both arms. However, physical health parameters increased only in the running group.
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Searching for Step Counts: Defining Goals for Daily Exercise
A systematic review and meta-analysis of studies of the association of step counts and cadence with all-cause mortality and cardiovascular events showed the benefits in these outcomes are statistically significant, at about 2,600 steps/day and peak at about 8,000 steps/day. Also, faster step cadence augments these benefits.
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Examining the Effect of Physical Activity and Depressive Symptoms in Adolescents
In a robust meta-analysis of 21 studies, physical activity interventions showed a significant short-term benefit for children and adolescents with depressive symptoms, particularly in those aged 13 years and older and in participants with a diagnosis of depression.
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More Steps Mean Better Cardiovascular Health for Older Americans
In a meta-analysis, researchers found walking 6,000 to 9,000 steps daily lowered the risk of cardiovascular disease by 40% to 50% vs. walking 2,000 steps daily.
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Sitting, Standing, and Walking: The Effect on Cardiometabolic Markers
This meta-analysis explores the effects of interrupting sitting with either light-intensity walking or standing and finds that light-intensity walking is associated with the most significant impact on several markers of cardiometabolic health.
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Tackling Obesity with Afterschool Programs
This prospective study following 75 low-income middle school students found that adding nutrition education and physical activity requirements to afterschool programming may enhance gains in some health behaviors and weight management.
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CDC: U.S. Adult Obesity Rate Up Sharply
At least 35% of adults are obese in 19 states and two territories.