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Exogenous AAS inhibit endogenous testosterone production, and discontinuation of their use is often associated with a prolonged decrease in testosterone secretion (Kanayama et al., 2015

Plasma concentrations decline with age - from approximately 200 ng/mL at age 20 to under 80 ng/mL by age 60

It protects tissue both in NSAID lesions (stomach damage from ibuprofen) and in ethanol (alcohol) damage

The inhibitory effect of glucagon-like peptide-1 (GLP-1) 736 amide on gastric acid secretion in humans depends on an intact vagal innervation

Marcus's sleep improved

Availability of data and materials The data are available from the corresponding author on a reasonable request