Insulin plays a key role in weight gain and loss from "summary" of Always Hungry? by DAVID. S. LUDWIG
Insulin is a hormone that regulates blood sugar levels, but its effects go far beyond that. When we eat, particularly carbohydrates, our blood sugar levels rise, triggering the release of insulin from the pancreas. Insulin's main job is to shuttle glucose from the bloodstream into our cells to be used as energy. However, insulin also has another important role in storing excess energy for later use. When insulin levels are high, our body is in "storage mode," storing excess calories as fat. This can lead to weight gain over time, especially if we consistently eat foods that cause a large release of insulin, such as highly processed carbohydrates. On the other hand, when insulin levels are low, our body is more likely to burn stored fat for energy, leading to weight loss. The key to understanding the role of insulin in weight gain and loss lies in the concept of insulin resistance. Insulin resistance occurs when our cells become less responsive to the effects of insulin, leading to higher levels of insulin in the bloodstream. This can result in a vicious cycle where the body produces more and more insulin in an attempt to lower blood sugar levels, ultimately leading to weight gain and other metabolic problems.- Such as whole foods rich in fiber, protein, and healthy fats, we can help keep insulin levels in check and promote weight loss. By making these dietary changes, we can break the cycle of insulin resistance and achieve lasting weight loss and improved health. Insulin truly does play a key role in weight gain and loss, but by understanding its effects and making informed choices about our diet, we can take control of our weight and overall well-being.
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