Nebulizers are electric- or battery-powered machines that turn liquid asthma medicine into a fine mist that's inhaled into the lungs. The user breathes in the mist through a mouthpiece or facemask. Nebulizers vary in size and shape, but can be a bit bulky and noisy and may need to be plugged in.
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.
Synthetic human growth hormone was developed in 1985 and approved by the FDA for specific uses in children and adults. In children, HGH injections are approved for treating short stature of unknown cause as well as poor growth due to a number of medical causes, including:ut the most common uses for HGH are not FDA-approved. Some people use the hormone, along with other performance-enhancing drugs such as anabolic steroids in an attempt to build muscle and improve athletic performance. Yet HGH's effect on athletic performance is unknown.