In another study by Bengtsson and Rosen, patients who were deficient in pituitary function, and diminished lung capacity, were put on HGH for a year. At the end of this time the deterioration in lung capacity had been reversed, suggesting that HGH may confer "long term beneficial effects on pulmonary function".

Preliminary research into the effects of HGH on emphysema patients is so far very encouraging, and further positive data is expected in the future.

All of this evidence suggests that, since HGH has shown positive effects in treating those who, one way or another, were impaired in their vital capacity, it should promote the continued good health in lungs that are not yet impaired.

All of which makes HGH replacement therapy for those entering middle age all the more attractive, for it will almost certainly be of help in their maintaining a healthy vital capacity farther into their golden years. Some of our Chronic Obstructive Lung Disease (COPD) patients have improved exercise tolerance with raised IGF-1 levels.

Studies have demonstrated improved pulmonary function with HGH.