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Consuming sweetness affects special receptors that are hooked up to the different parts of the brain that create pleasure zone, where we get rewarded for stoking our bodies with energy. According to the specialists the maximum amount of added sugars you should eat in a day are: Men: 150 calories per day 37.5 grams or 9 teaspoons. Women: 100 calories per day 25 grams or 6 teaspoons. Fats and proteins, for example, don’t ever significantly drive up your insulin level. Sugar and processed carbs, can cause a rapid increase in insulin level, which directly causes your body to store fat. Sugar consumption can also lead to a condition known as insulin resistance witch by itself drives up insulin level and keeps them up. Sugar (sucrose) and high fructose corn syrup contain two molecules: glucose and fructose. Glucose is absolutely vital to life and is an integral part of our metabolism. Our bodies produce it and we have a constant reservoir of it in the bloodstream. Every cell in the body can use glucose for energy. If we don’t get glucose from the diet, our bodies produce what we need out of proteins and fats. Fructose, however, is very different. This molecule is not a natural part of metabolism and humans do not produce it. In fact, very few cells in the body can make use of it except liver cells. When we eat a lot of sugar, most of the fructose gets metabolized by the liver. There it gets turned into fat, which is then secreted into the blood.

1. Fructose causes insulin resistance and raises insulin levels in the body, which increases the deposition of fat in the fat cells.
2. Fructose causes resistance to a hormone called leptin, which makes the brain not “see” that the fat cells are full of fat. This leads to increased food intake and decreased fat burning.
3. Fructose does not make you feel satiated after meals. It does not lower levels of the hunger hormone ghrelin and it doesn’t reduce blood flow in the centers of the brain that control appetite. This increases overall food intake.
4. Sugar, with its powerful impact on the reward system, causes addiction in certain individuals. This activates powerful reward-seeking behavior that also increases food intake.

The more sugar you eat and the longer this process is allowed to continue, the more powerful it becomes. Insulin and leptin resistance increase over time and the reward-seeking behavior becomes stronger.