This topic focuses on undernutrition. See obesity for more information about the main problems associated with overnutrition. Malnutrition is a common health problem. There are an estimated 3 million malnourished people in the UK at any time, with many more at risk of becoming malnourished. Around one in three people admitted to hospital or care homes in the UK are found to be malnourished or at risk of malnourishment. There are many reasons why these might happen, including having reduced mobility, a long-term health condition, or a low income. The main sign of overnutrition is being overweight or obese. However, people with undernutrition can also be overweight if they eat a diet high in energy calories, but low in other nutrients.
The condition has mild, moderate, and severe degrees. Types include: . PEM is fairly common worldwide in both children and adults and accounts for 6 million deaths annually. Note that PEM may be secondary to other conditions such as chronic renal disease  or cancer cachexia  in which protein energy wasting may occur. Protein—energy malnutrition affects children the most because they have less protein intake. The few rare cases found in the developed world are almost entirely found in small children as a result of fad diets, or ignorance of the nutritional needs of children, particularly in cases of milk allergy. Protein malnutrition is detrimental at any point in life, but protein malnutrition prenatally has been shown to have significant lifelong effects. Even diets of mild protein malnutrition 7.
This topic focuses on undernutrition. Overweight, underweight, and mortality. In Table 2 we report the results of 4 studies of oral supplementation in cardiac patients. Two studies from the same researchers showed fewer postoperative complications, such as infections , Lipschitz et al, Treatment in hospital You’ll be seen by a number of healthcare professionals if you’re admitted to hospital with malnutrition. The condition has mild, moderate, and severe degrees. There are serious methodologic problems in performing randomized controlled nutritional treatment studies.