3 unexpected negative effects of starving yourself to lose weight.

Skipping meals or eating too little puts the body into a state of starvation and nutrient deficiency. If weight loss is your goal, starving your body in this way can hinder your weight loss efforts, according to the health website Healthline (USA).

3 tác hại ít ngờ tới nếu nhịn đói để giảm cân- Ảnh 1. — Regular fasting can cause stomach ulcers and even increase the risk of colorectal cancer.

If you frequently starve yourself, your body will experience the following problems:

Energy levels decreased.

One of the main effects of not eating when hungry is a decrease in the body's energy levels, leading to fatigue and lethargy. Food provides essential nutrients to maintain physical and mental well-being. When you fast for too long, your blood sugar levels drop, creating a state of glucose deficiency.

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This is an essential type of sugar that provides energy to the body. Glucose acts as the primary fuel source for bodily functions, especially muscle activity and cognitive processes in the brain. When the body's glucose reserves are depleted, an endocrine response is immediately triggered.

Stress hormones such as cortisol and adrenaline are released to mobilize the body's stored glucose, and then to mobilize fat to compensate for the nutritional deficiency.

Metabolism slows down.

Skipping meals might seem like an effective way to lose weight quickly. But in reality, research shows it can actually hinder weight loss. This is because fasting negatively impacts metabolism.

Metabolism is the process of absorbing food and converting it into energy for the body. This process occurs continuously. Even at rest, the body still burns calories at a certain rate. This phenomenon is called the basal metabolic rate.

Regular fasting triggers a physiological response that causes the body to prioritize the limited calories available to the brain and vital organs, while reducing the amount of calories supplied to other non-essential activities. This shift conserves energy for survival, thereby slowing down metabolism. A slower metabolism means the body burns fewer calories and weight loss becomes more difficult.

Causes digestive problems.

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The stomach regularly secretes acid and enzymes to digest food. If there is no food to digest, these digestive fluids will become excessive and irritate the stomach lining, leading to heartburn and reflux.

This acidic environment can also disrupt the balance of gut bacteria known as the gut microbiome. This can cause bloating, gas, constipation, and many other digestive problems.

The consequences of skipping meals are not just temporary. Regularly skipping meals can lead to more serious problems such as gallstones, stomach ulcers, and even an increased risk of colorectal cancer, according to Healthline .

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