Figure 1.

Scheme showing the hormonal pathways implicated in stress and fibromyalgia. GHRH, growth hormone releasing hormone; CRH, corticotrophin releasing hormone; GnRH, gonadotrophin releasing hormone; GH, growth hormone; ACTH, adrenocorticotrophic hormone; FSH, follicle-stimulating hormone; LH, luteinising hormone; DHEA, dehydroepiandrosterone.