An inverse relationship between cortisol and BDNF levels in schizophrenia: data from human postmortem and animal studies
https://pubmed.ncbi.nlm.nih.gov/20451611/
Carbohydrate-restricted Diet and Exercise Increase Brain-derived Neurotrophic Factor and Cognitive Function: A Randomized Crossover Trial
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6822553/