4 Factors that influence satiety
There are several factors that influence our hunger and consequently our satiety when we eat.
Distension of the stomach
Gastric fullness, ie, the full stomach feeling that basically is perceived by the volume of food we eat. The fibers increase their volume when inside the stomach, as they absorb water and swell. Depending on the amount of food ingested, there is also distention of the gastric wall (stomach) which is a sign of satiety for the body.
Another factor is the time the food stays in the stomach, that is , the rate at which this food is digested and metabolized by the digestive tract.
There is another mechanism that chemically signals to the brain the feeling of satiety, this occurs when foods like proteins, such as fiber, proteins and fats, take longer to get out of the stomach and be digested. and fats get into the small intestine, which in turn releases an endocrine (hormone) called cholecystokinin. This hormone falls into the bloodstream and reaches the brain. But all this mechanism, between ingestion of food and the arrival of the substance in the brain, can take 20 minutes or more. Therefore, if you eat very quickly, you will probably ingest more than you should.
Adipose tissue produces another endocrine hormone called leptin, which is directly related to appetite. If there is an increase in adipose tissue, more leptin is produced and the appetite will be reduced. However, this does not occur with obese people, because in this case there is so much adipose tissue and the amount of leptin produced is so great that the body acquires a resistance to the hormone and loses its sensitivity to it.
Diabetes is a disease that is closely related to people's eating habits. In this way, diabetics should always pay attention with the food, as it deals with a silent disease. "Surveillance with blood glucose levels should be constant, to avoid complications of the disease such as blindness, diabetic foot, kidney damage, diabetic neuropathy, heart disease," said nutritionist Vanusa Boim.
Of all living things, we humans are one of the more efficient in extracting from food a large amount of energy that allows us to survive and keep the body active for a very long time, logically as long as we can keep ourselves fed. Just to make a comparison, some insects die if they are deprived of food for 12 hours.
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