The body only produces growth hormone at certain times and only when certain nutrients are present in the blood. Gerontologists call these nutrients "precursors." The precursors are two essential amino acids, argenine and ornithine and certain vitamins such as C and B6. But having the precursors present is not enough. Growth hormone is only manufactured under certain, specific circumstances: for about one hour immediately after going to sleep and then only if the blood supply is rich with argenine and ornithine but contains few other amino acids; it is also manufactured during heavy aerobic exercise that goes on for more than thirty minutes; and growth hormone is produced at an accelerated rate when fasting. (Pearson and Shaw, 1983). I did not know this when I was fasting John, but now, I would give argenine and ornithine to someone with a serious infection as well as massive quantities of vitamin C. Chronic Back Pain Barry was a carpenter who couldn't afford to lose work because he was unable to bend or twist or lift. He frequently had bouts of severe back pain that made working almost impossible. Upon analysis by biokinesiology I found that he had a major problem with large intestine weakness and secondarily, adrenal weakness. Constipation frequently causes back pain. The muscles of the back have nerve pathway connections to the large intestines; weakness in the intestine causes weakness of the back and makes it prone to injury. But the problem is the intestine, not the back. And the only way to make the back stay better is to heal the intestine. Many athletes have very similar problems. For example, they get knee injuries and think there is something wrong with their knee. Or they get shoulder injuries and think their shoulder is weak. These people are only half right. Yes, their knee or their shoulder is weak. But it could become strong and almost uninjurable if the underlying cause of the weakness is corrected. The knee for example, has nerve pathway connections to the adrenal glands and kidneys. The shoulder has similar connections to the thyroid. The foot is weakened by the bladder. The treatment should first be on the weakened gland or organ and secondarily, on the damaged muscle tissue. I have solved numerous sports-related knee problems with protomorphogens for the adrenals and elimination of food allergies that make the adrenals work overtime. I have fixed bad shoulders by rebuilding the thyroid.