Health Risks of Crash Diet

For a short period of time, after you finish eating for the first time on a crash diet, your body begins to rapidly go into shock as it experiences what is called “ketosis”. For this reason, there are some serious health risks of crash dieting. The following is a closer look at some of the dangers:

Problematic Weight Loss

One of the first health risks of crash dieting is significant weight loss because your body will not be able to break down the excess food you eat. In fact, your body will begin to use up more fat and calories than usual to fuel its energy needs. This can have several negative implications for you. First, if you happen to lose a large amount of weight quickly, you may end up with diabetes because blood sugar levels will be extremely low. For this reason, a crash diet is not the best diet for obese people.

Nutrient deficiency

Because your body is not receiving the nutrients that it needs to properly perform its functions, it can experience a breakdown in metabolism. This could lead to an array of medical issues. For example, ketosis can lead to a condition known as ketoacidosis, in which the brain becomes dependent on using glucose for energy. This is a dangerous and potentially fatal condition. As blood sugar levels become lower, the brain senses this as a dire situation and pumps out ketones, causing ketoacidosis.

Crash dieting can cause serious nutritional deficiencies. If you have never done any type of solid dieting before, you will experience some shock at first. You may experience dizziness, hunger pangs, and a need to drink more water than normal. However, your body will eventually learn to readjust and your nutrition needs will decrease. The most important thing is to rest during the adjustment period and stick with your goals. This is the best way to minimize the long-term risks of crash dieting.

crash diet

Strokes and Kidney Disease

It is common for those who undergo crash diets to experience significant changes in their blood sugar levels. This is often enough to cause the body to go into shock, and it can result in a number of medical issues. Kidney disease is particularly common in people who have undergone a drastic diet, and it can result in kidney failure if the diet goes on for too long. Strokes are also possible, even in those who have a relatively healthy lifestyle, because the blood sugar levels can drop very low, causing a stroke in as little as four hours.

Heart Disease

When a person undergoes a crash diet, they may suffer from a decrease in cardiovascular activity. This can result in a heart attack may occur. It is not uncommon for dieters to have an increase in LDL Cholesterol. LDL Cholesterol is the bad kind of cholesterol. It can clog the artery walls and cause a heart attack, which can be deadly. While there are health risks of crash dieting, it is important to remember that the benefits far outweigh the risk of heart problems.

Sudden Weight Gain

Another risk of crash dieting is sudden weight gain. People who are just going through a dieting program will likely have shed a great amount of weight in the past. They will continue to do so once they are back to their normal eating habits. The weight gain experienced during a crash diet will usually be temporary, but it can be disconcerting.


Although not the biggest risk of crash dieting, death is possible. A person undergoing a crash diet can suddenly drop several pounds in a matter of days. However, they can also gain weight very rapidly. Before embarking on a crash dieting plan, it is important to talk with a doctor, and a certified nutritionist, to ensure that the plan will be safe for you.