Relationship between cortisol and growth hormone
This 2005 study published in the Journal of Sports Science & Medicine found a statistically significant relationship between cortisol and testosterone in humans: "Serum testosterone levels were significantly higher in subjects with greater sleep restriction in comparison [to] subjects with no sleep restriction (p=0, is dianabol legal in new zealand.007 and 0, is dianabol legal in new zealand.001 for the sleep restriction and no sleep restriction groups), is dianabol legal in new zealand." This study published in Psychological Reports also found that lower testosterone levels correlate positively with depressive symptomatology: "These findings indicate that the association between lower cortisol levels and mood characteristics is not ent