What happens if you do not eat for a week?

In this short article, we will provide an answer to the question “What happens if you do not eat for a week?” and the information on the effects of starvation on the body.

What happens if you do not eat for a week?

If you don’t eat or drink for a week or two, your body can function normally for a while. Those individuals who have gone without meals for an extended time will need to be monitored by a medical professional to regain their health and stay away from refeeding syndrome.

What changes occur during starvation?

Our bodies get their supply of fuel from the calories that are found in the food that we eat. When you stop eating, your body will start to break down its tissues to find a source of nourishment, which will disrupt the vital functions of every one of your systems. This results in severe weight loss as well as the eventual collapse of organs.

When a person is starving, the following things happen inside their bodies:

The nerves and the neural tissue

The brain is responsible for around one-fifth of the entire amount of energy that the body uses in a single day.

When deprived of food, the brain loses this energy, which alters the way it functions and can cause difficulties concentrating and sleeping, among other problems.

Cardiovascular and pulmonary circulatory systems

When people are starving, their energy levels drop, which disrupts the normal operation of their hearts.

As a consequence of the lack of energy, the heart is unable to pump blood throughout the body as effectively as it should, which leads to a decrease in both blood pressure and pulse rate.

At first, symptoms such as low blood pressure and a slow pulse appear, and eventually, the heart stops beating altogether.

The digestive and intestinal systems

Constipation, nausea, vomiting, low blood sugar, and bloating are the side effects of restricting food intake, which also affects digestion and the rate at which food empties from the stomach.

Over time, the muscles in the digestive tract begin to atrophy, and eventually, they may lose their capacity to move food along the digestive tract.

Starvation can bring on serious health issues such as pancreatitis, which is an inflammation and swelling of the pancreas and is characterized by excruciating stomach pain, nausea, and vomiting.

The endocrine system 

To manufacture hormones, the endocrine system must have access to cholesterol and dietary fat. In the absence of food, the body is unable to produce hormones such as testosterone, estrogen, and thyroid hormones, which leads to the following symptoms and conditions:

  • Bone degeneration.
  • The rate at which the metabolism operates is slowed.
  • Inconsistent menstrual flow or a complete absence of menstruation.
  • Hypothermia is a condition that occurs when a person’s core body temperature drops dangerously low (a drastic decrease in the core body temperature).
  • Skin that is dry and flaky.
  • Loss of hair or hair that is dry and fragile.

What happens to Your Body If You Don’t Eat for a Whole Day?

In the intermittent fasting approach known as “eat-stop-eat,” one does not consume any food for twenty-four consecutive hours.

You are only allowed to drink beverages that are devoid of calories while you are on a fast for 24 hours. If the fasting cycle lasts for 24 hours, you will resume eating normally before beginning the next fasting cycle.

A faster metabolism can be achieved through a combination of factors, including weight loss, prolonged fasting, enhanced cardiovascular fitness, and other reasons. This method should be carried out once or twice per week to get the outcomes that are desired.

Although this technique can appear to be easier than limiting the number of calories you consume each day, you might find that you are “hangry” on fasting days. It is also possible for it to have significant harmful impacts or consequences on individuals who have such health conditions.


In this short article, we provided an answer to the question “What happens if you do not eat for a week?” and the information on the effects of starvation on the body.