What is the primary cause of kwashiorkor, a form of malnutrition characterized by edema and muscle wasting?

A Deficiency of vitamin C
B Deficiency of protein in the diet
C Excess intake of saturated fats
D Lack of essential minerals like zinc and iron
Kwashiorkor is primarily caused by a lack of protein in the diet, leading to muscle wasting and edema due to decreased albumin levels in the blood.
Kwashiorkor = 'K'nown 'W'aste, 'A'lbumin 'S'hortage, 'H'unger 'I'ndicator, 'O'utcome 'R'elated 'K'inetically 'O'rchestrated 'R'
WHO reports on malnutrition
Metabolic and Nutritional Disorders Nutrition and Health Protein-Energy Malnutrition Medium MEDICAL Confidence: high