Acute Exercise (Short-term): Intense, short-term exercise usually suppresses acylated ghrelin and appetite, partly due to reduced blood flow to the stomach.
acute exercise suppresses acyl ghrelin production regardless of the participants and the exercise characteristics.
https://pmc.ncbi.nlm.nih.gov/articles/PMC8514378/
evidence suggesting that acute exercise transiently suppresses AG production
Short-term acute aerobic exercise induces stable plasma ghrelin concentrations, independent of GH secretion.
Among 16 acute exercise studies that included a GH measurement, 13 studies showed increased GH levels. However, three studies showed no variation in GH levels following acute exercise [46, 71, 97].
The SNS and PNS regulate processes and metabolic pathways important for recovery and energy homeostasis (Bray 2000; Szekely 2000). The changes of the SNS–PNS balance, therefore, are relevant to satiety and may occur before those in circulating hormones that stimulate or inhibit food intake.
https://pmc.ncbi.nlm.nih.gov/articles/PMC2225999/
there is an inverse relationship between SNS activity and obesity, consistent with that most types of obesity are associated with low sympathetic activity (Bray 1991)
Yes, the body requires a state ofparasympathetic dominance—often called "rest and digest"—to digest efficiently. This state activates the nervous system to increase blood flow to digestive organs, boost enzyme production, and promote peristalsis.
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