EAPⁱ - Employee Assistance Programs are intended to help employees deal with personal problems that might adversely impact their work performance, health, and well-being.

Employee Assistance Professionals Association "EAPAⁱ" is the world’s largest, oldest, and most respected membership organization for employee assistance professionals. With members in over 40 countries around the globe, EAPA is the world’s most relied upon source of information and support for and about the employee assistance profession.

Ecstasyⁱ (MDMA) A chemically modified amphetamine that has hallucinogenic as well as stimulant properties. Known as club drug used in raves.

Eight ball is street slang for a quantity of narcotics such as cocaine weighing one eighth of an ounce or 3 1/2 grams.

EMDRⁱ
"Eye Movement Desensitization and Reprocessing" is an information processing therapy that helps treatment clients cope with trauma, addictions, and many phobias. During this treatment, the client focuses on a specific thought, image, emotion, or sensation while simultaneously watching the therapist's finger or baton move in front of his or her eyes.
The client is told to recognize what comes up for him/her when thinking of an image; then the client is told to let it go while doing bilateral stimulation.

Enablingⁱ are things that friends and families who are close to addicts do unconsciously that either encourage, or at least do not interfere with, the addict's drug use.
Such as providing money for drugs or alcohol purchased.

Endorphin's are peptides with opiate-like effects that are made by neurons and used as neurotransmitters, one of the endogenous opioids that binds to opiate receptors

Euphoriaⁱ Intense pleasure common to Crack use. Drug-induced euphoria is a "rush" or pleasurable feeling. It is caused by the release of the neurotransmitter, dopamine, within the brain reward system.