The Role of Insulin Explained скачать в хорошем качестве

The Role of Insulin Explained

Insulin is a vital hormone at the center of our body's energy metabolism. It is secreted by the beta cells in the islets of Langerhans of the pancreas, and its main function is to allow glucose in the bloodstream to enter cells. This is how our cells gain access to the fuel they need to produce energy. Insulin is not just a regulator of sugar; it also plays a role in fat and protein metabolism, acting as a multifunctional hormone. When carbohydrates are consumed, they are digested and converted into glucose, leading to a rise in blood sugar. This increase stimulates the pancreas to release insulin. Insulin activates specific transporters on the membranes of muscle and fat cells, enabling glucose to be taken into the cells. It also promotes glycogen synthesis in the liver, storing excess glucose. This process both meets the energy demand and keeps blood sugar levels in balance. A deficiency or dysfunction in insulin disrupts this delicate balance. In type 1 diabetes, the immune system destroys the beta cells in the pancreas, halting insulin production. In type 2 diabetes, insulin production may be adequate initially, but cells become resistant to its effects. In both cases, glucose cannot enter the cells, and blood sugar remains chronically high. Prolonged high blood sugar damages organs, especially the eyes, kidneys, nervous system, and blood vessels. If left untreated, diabetes can lead to blindness, kidney failure, foot ulcers, and heart disease. On the other hand, excess insulin—often due to overdose in insulin therapy or rare tumors like insulinoma—can cause hypoglycemia. This can manifest with sweating, dizziness, confusion, and even loss of consciousness, requiring urgent intervention. For individuals diagnosed with diabetes, regular monitoring, a balanced diet, physical activity, and insulin therapy when needed are essential. Each person's insulin needs are different, and treatment must be planned under medical supervision. Suspect symptoms—frequent urination, excessive thirst, and sudden weight loss—should never be ignored and warrant medical evaluation. Insulin is the key that delivers the body's fuel at the right time, to the right place. Without this system, the entire metabolic process falters. So insulin is more than a hormone—it's a biochemical lifeline. #insulin #diabetes #pancreas #bloodsugar #endocrinology #doctoropinion #secondopinion For Turkish: @tabipcom