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Neuroplasticity is the process by which neurons adapt to a disturbance over time, and most often occurs in response to repeated exposure to stimuli. [27] Aerobic exercise increases the production of neurotrophic factors [note 1] (e.g., BDNF, IGF-1, VEGF) which mediate improvements in cognitive functions and various forms of memory by promoting blood vessel formation in the brain, adult ...
The marathon was conceived centuries ago and as of recent has been gaining popularity among many populations around the world. The 42.195 km (26.2 mile) distance is a physical challenge that entails distinct features of an individual's energy metabolism. Marathon runners finish at different times because of individual physiological characteristics
Physical fitness is achieved through exercise, among other factors.Photo shows Rich Froning Jr., four-time winner of "Fittest Man on Earth" title.. Physical fitness is a state of health and well-being and, more specifically, the ability to perform aspects of sports, occupations, and daily activities.
Aerobic exercise, also known as cardio, is physical exercise [1] of low to high intensity that depends primarily on the aerobic energy-generating process. [2] " Aerobic" is defined as "relating to, involving, or requiring oxygen", [ 3 ] and refers to the use of oxygen to meet energy demands during exercise via aerobic metabolism adequately. [ 4 ]
The amount of physical activity conducted by a population—and by extension the proportion of that population reaching guidelines or other specified thresholds—is dictated by several factors including demographics (e.g., age, sex, ethnicity), population health status, cultural aspects, and the state of the environment itself (e.g ...
Physical activity epidemiology is the study, in human populations, of the frequencies, distributions, and dynamics of physical activity or inactivity. [ 1 ] Physical activity is defined as any voluntary body movement requiring energy expenditure produced by skeletal muscles. [ 1 ]
Both dieting and physical activity play a critical role in maintaining healthy body weight, or maintaining successful weight loss. [10] Physical activity helps control weight by using excess calories that would otherwise be stored as fat. Most activities burn calories, including sleeping, breathing, and digesting food. Balancing the calories ...
Obesity is a physical marker of poor health, increasing the likelihood of various diseases. [2] Due to social constructs surrounding health, the belief that being skinny is healthy and discrimination against those perceived to be 'unhealthy', [3] people who are considered overweight or obese on the BMI scale face many social challenges.