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Page 13
When enough urine has collected, the trigone and its sphincters relax, the detrusor contracts outwards, voluntary relaxation (from the brain and spinal cord) occurs and we urinate. Sounds complicatedno wonder it took us a year or two (or three) to learn to do all this!
Lower urinary tract stress occurs from the same factor as causes kidney deficiency: adrenaline stress.
Remember that the main function of the kidneys is to hold in the Mother Ocean. Adrenalin stress and the common dietary shifts it induces tend to lessen the kidneys' abilities to do this.
The main function of the lower urinary tract is to gather the urine produced during this process by the kidneys and collect it for eventual evacuation. Adrenalin stress constricts the passage of urine and inhibits the parasympathetic milking of the ureters and the expelling of the detrusor.
As in defecation, urination is inhibited by adrenaline excess. During the usual pattern of daytime adrenalin stress, there is a certain grim harmony; the kidneys produce less urine, and the lower urinary tract holds on to it longer. They had all better relax by evening. The kidneys, in rebound, will produce more urine, and the lower urinary tract should also be relaxed and pass urine more easily.
If all things are not equal, there can be a tendency for incomplete bladder evacuation (from residual constriction) or the urge to frequent, low-volume urination, which is stressful on the urethra and weakening to the detrusor muscle, as it is seldom allowed to expand adequately. Without regular expansion and contraction, it can actually shrinkas the stomach can when little food is eaten for an extended period.
The same tonic herbs and dietary changes should be used for lower urinary tract stress as for kidney deficiency (see above).

 
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