This:
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I think you get the insulin issue, but for further reference, check below.
Insulin spike does not just result in increased hunger, but also stops your body from burning fat and causes the body to store glucose (sugars) that are present in the bloodstream.
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Insulin and insulin resistance
Each time we eat, insulin is released into the bloodstream. This vital hormone, secreted by special cells in the pancreas, encourages our tissues - our muscles in particular - to gobble up the glucose surging through the bloodstream after we eat a meal.
insulin and the pancreas
That's good news, because glucose hanging around in the blood is dangerous stuff. It can stick to proteins and destroy their ability to do their job. Kidney damage, blindness, and amputations may result.
But insulin has many other vital roles.
After a meal, insulin stops the liver from releasing any fat, a potential metabolic fuel, into the blood. Why after a meal? It turns out that just like glucose, these fats, released as triglycerides, are dangerous if they hang about in the blood too long.
In some organisms, insulin plays the role of controlling their lifespan. What is the purpose of insulin in humans? If you ask your physician, they will say that the role of insulin is to lower blood sugar and you must learn right now, that is one of insulin's many roles.
Insulin, sugar, and glycogen
When your body notices that the sugar level is elevated, it is a sign that you have more sugar than you need right now, your body is not burning it and therefore it is accumulating in your blood. So insulin is released to take that sugar and store it. How does it store it? Glycogen? Your body stores very little glycogen at any one time. All the glycogen stored in your liver and muscles would not last you through 1 active day. Once you have filled up your glycogen stores, that sugar is stored as saturated fat.
So the idea of medical professionals recommending a high complex-carbohydrate, low-saturated-fat diet is absolutely a mistake. A high complex-carbohydrate diet is nothing more than a high-glucose diet, or a high-sugar diet. Your body is just going to store it as saturated fat, and the body makes it into saturated fat quite readily.
Your body's principal way of getting rid of sugar, because it is toxic, is to burn it. The sugar which your body can't burn will be rid of by storing it as glycogen, and when those glycogen reserves are full, sugar gets stored as fat. If you eat sugar your body will burn it and you stop burning fat. Another major effect of insulin on fat is it prevents you from burning it.
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The hunger stuff happens because:
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One disadvantage to having an insulin spike due to a high glycemic index carbohydrate is overeating.
Have you ever noticed when you are at the movies and you have just a small handful of candy, you are fine for about 10 to 20 minutes, but then you just can't help but have more. The reason behind this is that when you first consume the high sugar candy, your body absorbs it and blood sugar levels are raised. In response to this your body triggers the pancreas to release insulin.
This insulin spike, because it is so rapid, is often a little too much. What this means is your blood sugar levels drop slightly below what they were before eating the candy. When your body senses the low blood sugar, it releases hormones which trigger hunger. It is your body's way of controlling the blood sugar. If insulin levels are too low, it triggers hunger, and you eat, raising them up, if it is too high, you feel somewhat satisfied, not eating, giving your body a chance to store the blood sugar as muscle glycogen.
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Seems to imply that 1000 calories of junk food (carbs) makes you fatter than 1000 calories of chicken (protein).
Is this true, or is the effect of the above small enough that it's biggest contribution to weight gain/loss is overeating?