science.bio bpc 157 The Human Lab Rats Injecting Themselves with Peptides | Office for Science and Society BPC-157 – NU BIOGEN

It increased survival of cultured enteric neurons and proliferation of enteric glial cells, suggesting direct neuroprotective effects on the enteric nervous system that could influence central serotonin tone through vagal signaling

Comment on Use of recombinant human bone morphogenetic protein-2 to enhance tendon healing in a bone tunnel

That's reassuring for short-term tolerability, but it's two people, not a population

10.1097/00006534-200005000-00019 81 NumataY.TeruiT.OkuyamaR.HirasawaN.SugiuraY.MiyoshiI.et al (2006)

In this approach, tissue is trimmed along the curve and subsequently sewn tight, thereby straightening the penis by shortening the outside of the curve