Meth and the Brain. 1  Meth releases a surge of dopamine, causing an intense rush of pleasure or prolonged sense of euphoria. 2  Over time, meth destroys dopamine receptors, making it impossible to feel pleasure. 3  Although these pleasure centers can heal over time, research suggests that damage to users' cognitive abilities may be permanent.
stabilizing. 1  transitive verb. 2  1 : to make stable, steadfast, or firm. 3  2 : to hold steady: such asa : to maintain the stability of (as an airplane) by means of a stabilizerb : to limit fluctuations of (as prices)c : to establish a minimum price for.  intransitive 1  verb. : to become stable, firm, or steadfast.
dentrification. â¢the series of reactions that reduce nitrate to dinitrogen gas â¢a portion of the natural cycle of nitrogen in the environment, which may result in the depletion of nitrogen from the soil â¢occurs at the end of anaerobic respiration, in sewage treatment, and in crop fields.