A tribe of people lives in a forest and are completely dependent on the trees for food. When observed by a scientist, the growth of the people of this tribe stopped at a very early stage, but they were surprisingly disease-free. Which nutrient is lacking from their diet?
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Key facts
Malnutrition, in all its forms, includes undernutrition (wasting, stunting, underweight), inadequate vitamins or minerals, overweight, obesity, and resulting diet-related noncommunicable diseases.
1.9 billion adults are overweight or obese, while 462 million are underweight.
Globally in 2020, 149 million children under 5 were estimated to be stunted (too short for age), 45 million were estimated to be wasted (too thin for height), and 38.9 million were overweight or obese.
Around 45% of deaths among children under 5 years of age are linked to undernutrition. These mostly occur in low- and middle-income countries. At the same time, in these same countries, rates of childhood overweight and obesity are rising.
The developmental, economic, social, and medical impacts of the global burden of malnutrition are serious and lasting, for individuals and their families, for communities and for countries.