Dihexa is an experimental cognitive peptide that may help the brain build stronger connections between neurons instead of just temporarily boosting neurotransmitters like many nootropics do. It works through the HGF c Met pathway, The development of small molecule angiotensin IV analogs to treat Alzheimer's and Parkinson's diseases ScienceDirect Recent Progress and Advances in HGF MET Targeted Therapeutic Agents for Cancer Treatment HGF c Met pathway facilitates the perineural invasion of pancreatic cancer by activating the mTOR NGF axis Cell Death & Disease