Malnutrition means ‘poor nutrition’ when there is a deficiency of energy and nutrients in the diet that causes a measurable clinical outcome or impact on body composition or function.
1 As such, malnutrition can refer to people who are overweight but the term is more often used to apply to people who are underweight. Malnutrition (as undernutrition) affects an estimated 3 million people in the UK (those either malnourished or at risk), the majority of whom are living in the community (93%).
2 It can be a cause and consequence of illness, and is a common clinical and public health problem that has largely been ignored in primary care.
3,4 This may be because the reverse problems of overeating, and obesity, have been the focus of attention in regard to weight management and nutritional status.