• April 20, 2024

What is it to be hungry? It is one of the essential mechanisms of the human organism to survive, which is influenced by various biological factors (neuroendocrine signals) and sensory, cognitive and mechanical factors (perceived stimuli).

According to bioquimicaclinca.com, hunger is regulated by various ingestion mechanisms, which are governed by the brain , mainly the hypothalamus . This area of brain controls the sensation of hunger through a complex network of neurohormonal circuits that emit different types of signals.

According to their origin, these signals can be classified as peripheral or central. While, depending on their duration, they can be classified into short and long-term signals. Also, depending on its effects on the organism, it may be orexigen (increased sensation of hunger) or anorexigenic (sensation of satiety ).

Regulation of short-term hunger

This system is responsible for regulating both the beginning and end of each of our meals throughout the day. It is mainly determined by signals that increase its concentration during feeding, so it is able to stop the intake, which establishes the size (portions) consumed during the day.

Regulation of long-term hunger

It consists primarily of signals related to adiposity (fat) factors, whose concentrations increase according to the body's energy deposits (fat accumulated in the body), which helps maintain your body weight.

In both cases, what determines how much hunger you have and how much you eat (satiety), a series of external factors, biochemical signals, hormones , like the way you perceive food (vision), smell, the level of glucose in blood, the metabolic rate, hormones ghrelin, noradrenaline, serotonin, melanin, thyroid and gastric rhythmic contraction.

Therefore, current research to better control hunger and appetite, as well as to achieve a greater feeling of fullness with less need for food intake, is carried out at the neurohormonal level.

If it is achieved, it controls the production of certain hormones and enzymes within the same body, as well as the modification of said neurological signs , you can effectively combat the problems of overweight and obesity.
 

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Video Medicine: Long Term Regulation of Hunger (April 2024).