Malnutrition, reversible or irreversible?

Early malnutrition is known to have many lasting and irreversible effects on growth and development. It appears that even the composition of the bacterial “microbiome” in the lower intestine fails to develop normally and may be adversely affected for many years, if not for life. The long-term health ramifications remain to be determined.

Consumer related article:

http://www.the-scientist.com/?articles.view/articleNo/40134/title/How-Malnutrition-Affects-the-Microbiome/