what is the use of hormone injection
Growth hormone deficiency in adults is rare and may be caused by pituitary adenoma â a tumor on the pituitary gland â or treatment of the adenoma with surgery or radiotherapy. For adults who have a growth hormone deficiency, injections of human growth hormone can: 1  Increase exercise capacity.2  Increase bone density.rowth hormone is produced by the pituitary gland â a pea-sized structure at the base of the brain â to fuel childhood growth and help maintain tissues and organs throughout life.