Fig. 1From: Dehydroepiandrosterone: a potential therapeutic agent in the treatment and rehabilitation of the traumatically injured patientThe hypothalamic–pituitary–adrenal (HPA) axis and the biological responses that occur as a result of traumatic injury. The resulting increase in circulating levels of cortisol and a reduction in dehydroepiandrosterone (DHEA) has been shown to affect several biological responses, such as the inhibition of neutrophil functionBack to article page