The entire human body is affected by this condition. Essentially, without nutrients, the person has essentially shut off the body’s ability to build energy and store fat, to regulate many of the body’s functions, and to achieve homeostasis. First of all, the body suffers simply because there is not enough nutrients being absorbed from the digestive tract into the rest of the body. Superficially, the person might experience brittle nails and hair, weak bones, tooth decay and dark circles under their eyes.
This also affects the person’s hormones, which regulates everything in the body. In addition to interfering with the person’s endocrine system (hormones), starving yourself can lead to problems related to your circulatory system (arrhythmias), and as the weight fluctuates, it can place extra stress on your body’s vitals. Patients often suffer from anemia and liver damage.
People with severe cases can land in the hospital where they have to be fed intravenously to receive important nutrients. Long-term problems that result from the condition require extensive care and can affect most functions in the body.