9 Studies of adult users of cocaine and heroin have found that youth use of marijuana correlates strongly with later use of cocaine and heroin. Children agedtwelve to seventeen who use marijuana are eighty-five times more likely to use cocaine than children of the same age who have never used those substances.
Urine pH. Urine pH is used to classify urine as either a dilute acid or base solution. Seven is the point of neutrality on the pH scale. The lower the pH, the greater the acidity of a solution; the higher the pH, the greater the alkalinity.ecretion of an acid or alkaline urine by the kidneys is one of the most important mechanisms the body uses to maintain a constant body pH. A highly acidic urine pH occurs in: 1  Acidosis. 2  Uncontrolled diabetes.
A uric acid urine test is done to: 1  Check to see if kidney stones may be caused by high uric acid levels in the body.  Find the cause of a high level of uric acid in the blood and help choose the proper treatment.