Pollak 2008) has linked higher circulating IGF-1 to elevated risk of certain cancers in human cohorts
10.1002/advs.202302422 [DOI] [PMC free article] [PubMed] [Google Scholar] Wang H., Jiao D., Feng D., Liu Q., Huang Y., Hou J., et al
If your doctor tries to get you off the shots in favor of oral B12 supplements (tablets, spray, etc), do not accept that as treatment
This relationship creates a destructive cycle: stress lowers BDNF, which impairs the hippocampal circuits that regulate stress responses, which leads to more cortisol production and further BDNF reduction
Concurrent application with highly acidic or strongly chelating topical agents-such as concentrated ascorbic-acid serums-may reduce the activity of one or both products because copper ions can catalyze oxidation reactions