BDNF mediates adaptive brain and body responses to energetic challenges.
Level 5 - mechanism / opinion, no new human data
Narrative literature review outlining mechanistic pathways without systematic search methodology or new primary data
PubMed 24361004 · doi:10.1016/j.tem.2013.10.006
What was done
This narrative review synthesizes literature on the physiological roles of brain-derived neurotrophic factor (BDNF) in energy homeostasis and its response to energetic challenges such as fasting and vigorous exercise.
What was found
The abstract reports no numeric values, effect estimates, or sample statistics. It describes BDNF as a regulator of feeding, physical activity, and glucose metabolism that stimulates mitochondrial biogenesis, enhances insulin sensitivity and parasympathetic tone, and protects neurons, whereas chronic stress, genetics, and sedentary lifestyles impair BDNF signaling.
Why it matters
It outlines an integrative biological framework linking lifestyle stressors like exercise and intermittent energy restriction to brain health and systemic metabolic regulation via BDNF.
Limits
The abstract provides no primary data, quantitative metrics, or systematic review methodology, presenting high-level narrative and mechanistic claims largely grounded in theoretical and pre-clinical evidence.
Cited by
- supports Exercise, intermittent fasting, and intellectual engagement increase production of brain-derived neurotrophic factor (BDNF).