The half-life for opiates can range from 1-9 hours, depending on how much you take and which type. For instance, the half-life of morphine is 1.5-6.5 hours, the half-life of codeine is 1-4 hours, and the half-life of hydrocodone is....
Both opiates and alcohol depress the activity of the central nervous system, slowing breathing and heart rate. When taken together, the effects of these substances only increase, slowing breathing and heart rate down dangerously and depriving essential parts of the....
Some research implies that regular consumption of heroin can have an impact upon the pancreas which can cause hyperglycaemia; more studies are underway in order to establish the nature of this relationship.