Sunday, June 18, 2017

What just one exercise session will do for you

Just finished his one hour.
A new study investigates the effect of acute exercise -- defined as a single, one-hour session of physical activity -- on human mood and cognition.
Acute exercise consistently resulted in three main effects: better executive function (the mental processes that help us to plan, focus, and multitask); better mood; and lower stress levels. 
Additionally, the studies revealed that acute exercise activates several extended brain areas. "One of the most dramatic effects," the authors write, "is the change in neurochemical levels." 
This includes neurotransmitters; exercise was shown to increase levels of dopamine, epinephrine, norepinephrine, and serotonin. Dopamine helps the brain to learn and is involved in the rewarding circuits. 
A certain level of physical activity seems to be able to increase serotonin, which relieves anxiety and depression, in both humans and rodents. 
Furthermore, a single exercise session seemed to increase levels of so-called neuromodulators. These include endogenous opioids and endocannabinoids - that is, "feel good" chemical substances that are naturally produced by the brain when we exercise. These account for the runner's high effect and exercise-induced states of euphoria. 
Endogenous opioids are involved in the brain's response to pain and stress, as well as in self-control and reward.
So get out there, put in your our, come back and flop on the couch, and you'll live forever.

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