7 major Nutritional Diseases | Symptoms, Causes & Treatment

Nutritional Diseases: nutrition-related diseases, and conditions that cause disease in humans. These include chronic conditions such as overeating and overeating, obesity and eating disorders, cardiovascular disease, hypertension, cancer, and diabetes.

Nutritional disorders also include diet-preventable developmental disorders, diet-responsive genetic metabolic disorders, drug interactions with food and nutrients, allergies, intolerances, and food allergies. Potential hazards. All of these categories are covered in this article. For essential nutrients, dietary recommendations, and human nutritional needs and concerns across the life cycle, see Nutrition, People.

Selected nutrient-deficiency diseases are listed in the table.

disease (and key nutrient involved)symptomsfoods rich in key nutrient
xerophthalmia (vitamin A)blindness from chronic eye infections, poor growth, dryness, and keratinization of epithelial tissuesliver, fortified milk, sweet potatoes, spinach, greens, carrots, cantaloupe, apricots
rickets (vitamin D)weakened bones, bowed legs, and other bone deformitiesfortified milk, fish oils, sun exposure
beriberi (thiamin)nerve degeneration, altered muscle coordination, cardiovascular problemspork, whole, and enriched grains, dried beans, sunflower seeds
pellagra (niacin)diarrhea, skin inflammation, dementiamushrooms, bran, tuna, chicken, beef, peanuts, whole, and enriched grains
scurvy (vitamin C)delayed wound healing, internal bleeding, abnormal formation of bones and teethcitrus fruits, strawberries, broccoli
iron-deficiency anemia (iron)decreased work output, reduced growth, increased health risk in pregnancymeat, spinach, seafood, broccoli, peas, bran, whole-grain, and enriched bread
goiter (iodine)the enlarged thyroid gland, poor growth in infancy and childhood, possible mental retardation, cretinismiodized salt, saltwater fish

What are the causes of nutritional diseases?

Malnutrition is a disease that occurs when a person’s diet does not contain sufficient amounts of nutrients required for healthy functioning, or when a person is not properly absorbing nutrients from food.

What are the 7 types of nutrition?

  • Why are they essential to our bodies? Although each of the 7 major groups of nutrients performs different and unique functions in our body, they are all essential because they work together and contribute to our good health
  • Carbohydrates
  • Proteins
  • Fats
  • Vitamins
  • Minerals
  • Dietary fiber
  • Water

What is the major nutritional disorder?

Malnutrition encompasses many conditions, including undernutrition in general, undernutrition leading to obesity, eating disorders, and diseases with nutritional causes Globally, both undernutrition and undernutrition Phat are all serious public health problems.

Symptoms

Some signs and symptoms of malnutrition include:

  • weight loss
  • a lack of appetite or interest in food or drink
  • tiredness and irritability
  • an inability to concentrate
  • always feeling cold
  • depression
  • loss of fat, muscle mass, and body tissue
  • a higher risk of getting sick and taking longer to heal
  • longer healing time for wounds

Eventually, a person may also experience heart failure

Symptoms in adults vs. children

Children may present with different malnutrition symptoms than adults.

In children, there may be:

  • a lack of growth and low body weight
  • tiredness and a lack of energy
  • irritability and anxiety
  • slow behavioral and intellectual development, possibly resulting in learning difficulties

Treatment is possible. In some cases, however, malnutrition can have long-term effects.

Causes

Malnutrition can occur for various reasons. The sections below outline these potential causes in more detail.

Low intake of food

Some people develop malnutrition because there is not enough food available, or because they have difficulty eating or absorbing nutrients.

This can happen as a result of:

  • cancer
  • liver disease
  • conditions that cause nausea or make it difficult to eat or swallow
  • taking medications that make eating difficult — due to nausea, for example

Mouth problems such as poorly fitting dentures may also contribute to malnutrition.

Treatment

If a doctor diagnoses malnutrition, they will make a treatment plan for the person. The person may also need to meet with a dietician and other healthcare professionals.

Treatment will depend on the severity of the malnutrition and the presence of any other underlying conditions or complications.

It may include:

  • ongoing screening and monitoring
  • making a dietary plan, which might include taking supplements
  • treating specific symptoms, such as nausea
  • treating any infections that may be present
  • checking for any mouth or swallowing problems
  • suggesting alternative eating utensils

In severe cases, a doctor may administer nutrients intravenously (through an IV).

The person’s healthcare team will continue to monitor them to ensure they get the nutrition they need.

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