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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 ...
A marathoner's running economy is their sub maximal requirement for oxygen at specific speeds. This concept of running economy helps explain different marathon times for runners with similar aerobic capacities. [11] The steady state oxygen consumption used to define running economy demonstrates the energy cost of running at sub maximal speeds.
Runners can experience a euphoric state often called a "runner's high". The runner's high is a transient state of euphoria coupled with lessened feelings of anxiety and a higher pain threshold, which can come either from continuous moderate physical exertion over time or from short bursts of high-intensity exercise.
Endorphins (contracted from endogenous morphine) [1] [2] [3] are peptides produced in the brain that block the perception of pain and increase feelings of wellbeing. They are produced and stored in the pituitary gland of the brain.
Running and other high-intensity exercises have also been shown to suppress appetite by releasing a chemical compound known as Lac-Phe - a combination of lactate and phenylalanine. This can help ...
However, all vigorous exercise, including running, can increase hunger due to the higher caloric burn and potential hormonal and metabolic changes (running increases muscle mass which increases ...
Endorphins are credited as the cause of the feeling of euphoria and wellbeing found in many forms of exercise, so proponents of this theory believe that the second wind is caused by their early release. [13] Many of these proponents feel that the second wind is very closely related to—or even interchangeable with—the runner's high. [14]
An analysis of data from more than 8,000 adults in the U.S. revealed that 14% had low iron blood levels, a condition known as absolute iron deficiency, while 15% had the right iron levels but ...