Some Negative Effects of Crash Dieting

Dieting is not about eating less; it’s about eating right. Crash diets may sound perfect and useful, but they are not easy to be followed. We must focus on having a healthy body, but it is not an easy task to attain such a body. The crash diets have harmful side effects and deep-rooted consequences.

Some of them are as follows:

Slow metabolism rate

Crash diets force us to move into a starvation mode that conserves energy by decelerating our metabolism. Your body learns to survive with minimum power. In the long run, it becomes challenging to lose weight due to low metabolism and sometimes, people tend to bloat up twice their size post their crash diet days.

Lack of essential nutrients

During a crash diet, the calorie intake is massively reduced which deprives the body of the vital energy needed to function. This results in weakness, fatigue, and lethargic behaviour.

Weakens the immune system

Crash diets reduce calorie intake which can weaken the immune system. Getting insufficient calories a day can starve our body of vital nutrients and one important hormone, leptin, is found to reduce in times of starvation. Leptin has been found to be an essential hormone in improving immunity by regulating your basal metabolic rate. A decline in leptin also initiates an inflammatory response throughout the body. Inflammation is highly responsible for variety of our health issues like heart disease, asthma, allergies, etc.

Mood swings

Moods are controlled by neurotransmitters which are dependent on amino acids. Crash diets deprive our body of amino acids which leads to mood swings, depression, and irritability.

Gallstone formation

Gallstones are formed when the gallbladder are not vacated completely, which happens when you are eating a very low-fat diet. During rapid weight loss, the liver secretes extra cholesterol into the bile, and that can increase the risk of gallstone formation.

Fatty Liver Syndrome

A crash diet puts our body to extreme starvation that can trigger the Fatty Liver Disease since more fats start accumulating in the liver.


A crash diet depends heavily on the water weight of our bodies’ water weight because the stored fats and muscle tissue degeneration take place only after the water weight is lost. This might lead to acute dehydration.

Heart Ailment

The sudden low-calorie diet, followed by the inability to regain lost fats required for energy forces your heart to go into ‘panic mode’. This overdrive makes the heart exert more pressure. The excessive strain can end up in a heart attack.

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