The effects on the skin are also different. In Marasmus, the children have dry skin and are so thin overall that they look like little old people. This appearance is enhanced by hair loss.
In Kwashiorkor, children may have a bulging belly. This is because proteins and hormones that maintained fluid balance before protein was removed from the diet are absent; fluid leaks into the intestinal spaces. Limbs and face may become swollen with edema, a distinguishing characteristic of the disease, and the skin may develop lesions. Hair may change color due to absence of the tyrosine that makes melanin, which is absent due to lack of protein. It may is easily pulled out, as is the hair of Marasmus children. …