Category: A

Combining two or more drugs resulting in effect equal to that of the drugs taken separately, potentiation; synergistic. The therapeutic effect of a combination of two or more drugs that is equal to the sum of the individual drug effects.  

An organization consisting of and assisting in the recovery of drug addicts.  

Drugs that can create a physiological dependence when consumed at a rate greater than the body’s ability to metabolize them.  

A type of drug interaction in which two or more drugs that are similar in their general effects produce a cumulative net effect that is the sum of the effect of the individual substances.  

A behavior pattern of compulsive drug users characterized by a preoccupation with acquiring and using drugs.  

The recurring use of and continued dependence upon a drug because of the perceived effects of the drug, i.e., temporary feelings of enhanced power, confidence, security, and creativity. Without these effects, the person experiences lowered self-esteem and mental pain.  

Mixing colors by stimulating the eye with two sets of wavelengths simultaneously.  

In biology, the extent to which an attribute increases the likelihood of viable offspring.  

Programs or patterns of adaptive behavior that evolve initially as solutions to particular problems.  

Body energy reserves that come into play when the body approaches exhaustion.