Black widow spider alpha-latrotoxin: a presynaptic neurotoxin that shares structural homology with the glucagon-like peptide-1 family of insulin secretagogic hormones
The thiol group (SH) on glutathione's cysteine residue is the functional part that donates electrons during detoxification and antioxidant reactions
2020 Oct 31;29(5):356-375
Why Opioids Backfire With Repeated Use With repeated exposure, the nervous system adapts to opioids, leading to: Tolerance , requiring higher doses for the same effect (33,35) Dependence , with withdrawal symptoms when doses wear off (35) Opioid-induced hyperalgesia , a paradoxical increase in pain sensitivity (33,36) Rather than calming pain long term, opioids can sensitize the nervous system, making everyday stimuli feel more painful (33,36)
Teichman SL, et al
Abstract: Abstract Topical antiaging therapies provide noninvasive delivery of active therapeutics