@381dbcc7: Sure, here are some sources that provide more information on the effects of malnutrition on the brain:

1. "Malnutrition and the Brain" by Dr. Michael Crawford (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3257695/)

2. "The Effects of Malnutrition on the Brain" by Dr. Richard J. Wurtman (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2695393/)

3. "Malnutrition and Cognitive Function" by Dr. Lindsay H. Allen (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3903817/)

Regarding your question about malnutrition in adults, it can lead to a variety of health problems, including cognitive impairment, depression, and even dementia. It's important to maintain a balanced and nutritious diet to prevent these issues.