As some researchers have observed when performing experiments on mice, limiting access to food can increase the levels of a particular hormone, called ghrelin, and this in turn can increase the motivation to exercise, something that naturally leads, in a chain effect, slimming.
In the study, published in the Journal of Endocrinology, it is described how the increase in the level of this hormone pushed mice to voluntarily start exercising or physical activity. This finding, according to the same researchers, could lead, through the limitation of food intake or through the so-called “intermittent fasting,” overweight people to be encouraged to exercise more.
On the other hand, the restriction of food the same regular exercise are the two main ways and the most economic strategies to prevent and treat obesity, a sort of global “epidemic” that requires much more effective intervention strategies. However, adhering to a regular training regime can be difficult for many because motivation is lacking.
This hormone, also called the “hunger hormone,” can not only stimulate the appetite but, as demonstrated by Yuji Tajiri and colleagues from the Kurume University medical school, Japan, it can also stimulate the same desire to exercise. The mice genetically modified in the laboratory for not having ghrelin of their body, in fact, ran less than the control mice, which instead had normal ghrelin levels.
According to Tajiri, the results achieved by this study indicate “that hunger, which promotes ghrelin production, could also be involved in increasing motivation to voluntary exercise when nutrition is limited. Therefore, maintaining a healthy diet, with regular meals or fasting, could also encourage motivation for exercising in overweight people.”
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