Cortisol levels provide a review adrenal function and whether there's inadequate or too much of the hormone. Several types of tests measure hormone agent: saliva or blood or a 24-hour urine collection. Testing blood or saliva usually is completed each day and evening using the normal ranges as noted below. Urine results use a different range. Normal answers are: Most types of childhood arthritis are called juvenile idiopathic arthritis (JIA). JIA causes one or more joint pains and inflammation for at least six weeks. L-Arginine is a non necessary amino acid and is essential for regular performing of the pituitary gland. Tongkat Ali is another great herb proven to increase levels of testosterone.