What is the disease caused by lack of protein?

Author: Mattie Hansen  |  Last update: Sunday, December 7, 2025

Kwashiorkor is a type of malnutrition characterized by severe protein deficiency. It causes fluid retention and a swollen, distended abdomen. Kwashiorkor most commonly affects children, particularly in developing countries with high levels of poverty and food insecurity.

What diseases are caused by protein deficiency?

Protein deficiency can lead to malnutrition, such as kwashiorkor and marasmus, which can be life threatening. Protein deficiency can arise if a person has a health condition, including: an eating disorder, such as anorexia nervosa. certain genetic conditions.

What diseases are caused by missing proteins?

Protein misfolding is believed to be the primary cause of Alzheimer's disease, Parkinson's disease, Huntington's disease, Creutzfeldt-Jakob disease, cystic fibrosis, Gaucher's disease and many other degenerative and neurodegenerative disorders.

What happens if a person lacks protein?

Weakness and Fatigue

And over time, a lack of protein can make you lose muscle mass, which in turn cuts your strength, makes it harder to keep your balance, and slows your metabolism. It can also lead to anemia, when your cells don't get enough oxygen, which makes you tired.

What diseases are caused by a low-protein diet?

A low-protein diet is used as a therapy for inherited metabolic disorders, such as phenylketonuria and homocystinuria, and can also be used to treat kidney or liver disease. Low protein consumption appears to reduce the risk of bone breakage presumably through changes in calcium homeostasis.

Are You Protein Deficient? – Dr.Berg on Symptoms and Treatment for Protein Deficiency

What disease has low total protein?

If your total protein levels were low, it may be a sign of one of the following conditions: Liver disease. Kidney disease. Malnutrition, a condition in which your body does not get the calories, vitamins, and/or minerals needed for good health.

What disease requires low-protein diet?

Many adults with PKU find they function best while on a low-protein diet. The current advice is for people with PKU to remain on a low-protein diet for life. Unlike in young children, there is not yet any evidence that high phenylalanine levels cause any permanent brain damage in adults with PKU.

What autoimmune disease causes low protein?

Some common causes of hypoproteinemia are: Autoimmune disease. Diseases like celiac disease and Crohn's disease can cause malabsorption.

What might the 5 signs of a protein deficiency be?

Top 10 Signs You Might Be Protein Deficient
  • Weakness and Fatigue. ...
  • Hair Loss and Brittle Nails. ...
  • Frequent Illness and Slow Healing. ...
  • Swelling (Edema) ...
  • Cravings and Increased Appetite. ...
  • Muscle Loss and Joint Pain. ...
  • Mood Changes and Mental Fog. ...
  • Skin Problems.

What happens when you don't eat enough protein?

Signs of a protein deficiency

Getting sick often without protein to boost the immune system. Mood changes or trouble thinking due to fluctuating blood sugar and protein's effect on the brain's neurotransmitters (which regulate mood) Muscle weakness, since amino acids are essential for building muscle mass.

What are two human diseases caused by the absence of a protein?

There are two main syndromes associated with protein deficiencies: Kwashiorkor and Marasmus. Kwashiorkor affects millions of children worldwide.

Does lack of protein make you tired?

1. Weakness and Fatigue. Protein is a crucial energy source, so when lacking, a person can feel weak and unusually exhausted—mentally, physically, or both. Muscle wasting (cachexia ) from low protein levels occurs in protein (and calorie) deficiency cases, like starvation or prolonged fasting.

What is the rare disease where you can't eat protein?

Phenylketonuria is a rare genetic disorder where your body can't break down protein properly. All babies born in Australia are tested for PKU soon after birth. Babies diagnosed with PKU need to follow a strict, low-protein diet.

Can lack of protein affect sleep?

In terms of carbohydrates, whole grains are preferred over simple carbohydrates and highly processed grains, as they are healthier and may improve sleep. Studies have also found that consuming too much or too little protein can negatively impact sleep.

What food has the most protein?

Examples of high-protein foods

Proteins that come from animal sources, such as meat, eggs, and milk, as well as soy and quinoa, are called complete proteins. This means they contain all the essential amino acids the body needs and are the highest-quality protein sources.

What happens if you lift weights but don't eat enough protein?

Lifting and doing strength training without adequate nutrition, especially without enough protein, can actually lead to loss of muscle tissue. Furthermore, if you aren't eating right you won't have the energy to do the workouts that lead to muscle gain.

What is the disease caused by protein deficiency?

Kwashiorkor is a type of malnutrition characterized by severe protein deficiency. It causes fluid retention and a swollen, distended abdomen.

How can I raise my protein levels quickly?

Try pre-cooked canned beans and lentils, cheese sticks and slices, nut and seed packets, and canned seafood products like tuna, salmon, and sardines. You can use these options to create high-protein meals quickly when you are short on time.

Are protein pills good for you?

While these supplements affect the body positively, caution has to be exercised while consuming them in excess, as they have been shown to cause hyperfiltration and increased urinary calcium excretion which can, in turn, lead to chronic kidney disease development.

What is the hardest autoimmune disease to diagnose?

Vasculitis: Vasculitis involves inflammation of blood vessels, leading to various symptoms depending on the affected organs. The diagnosis often requires imaging studies and biopsies, making it one of the more challenging autoimmune diseases to identify.

Which is worse, high or low albumin?

An albumin blood test checks your liver and kidney function. Albumin is protein in your blood plasma. Low albumin levels might be the result of kidney disease, liver disease, inflammation or infections. High albumin levels are usually the result of dehydration or severe diarrhea.

What is the life expectancy of someone with PKU?

Discussion. It has been calculated from the general birth rate (prior to neonatal screening for phenylketonuria), together with the known incidence rate for phenylketonuria, that there are about 2000 people with untreated phenylketonuria still alive in the UK, assuming a life expectancy of 65 years.

Which meat has the least protein?

Food for thought: Hot dogs and other processed meats like salami, pepperoni and sausage generally contain less protein than a piece of fresh lean meat or fish. Their high saturated fat and sodium content raises cholesterol and blood pressure and encourages weight gain.

What does a protein deficiency look like?

Protein deficiency can cause symptoms such as swelling, stunted growth, a weak immune system, skin and hair changes, and bone and muscle loss. The amount of protein you need depends on factors like age and activity level.

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