Meth and the Brain. Meth releases a surge of dopamine, causing an intense rush of pleasure or prolonged sense of euphoria. Over time, meth destroys dopamine receptors, making it impossible to feel pleasure.
CAUSES OF HIGH AMMONIA. Ammonia is a normal by-product of processing nitrogen in the body, and is excreted as waste in the urine, in healthy people. However, elevated blood ammonia levels can occur when the kidneys or liver are not working properly, allowing this waste to remain in the bloodstream, which can be poisonous to your cells.
High ammonia levels in the bloodstream may signify a problem exists in either the: Ammonia is toxic to the body, but there is always a certain level of ammonia in the bloodstream, as the production of ammonia is a natural bodily function. If, however, for some reason the body is producing excessive amounts of ammonia, and these excessive amounts are not eliminated, high ammonia levels may occur.