@paulschriner: PET Scans Show Your Brain Is Suffocating After 40 - Japan Proves It DISCLAIMER: (This is not medical advice. Results vary Ask your doctor.) #brainfog #nmn #nad #biohackingsecrets #over40brain @RBS.RenueByScience RESEARCH CITATION: Yamamoto et al., Journal of Cerebral Blood Flow & Metabolism, 2022. “NMN supplementation increased cerebral blood flow by 15% in adults over 40 after 12 weeks.“