Definition of "hard drug" [hard drug]

• A narcotic that is considered relatively strong and likely to cause addiction (noun)

WordNet. Princeton University. 2010.

• "Unlike lack of information or incessant marketing cues, which lead to unwitting or culturally-assisted self-sabotage, food addiction—like other forms of compulsive self-sabotage such as smoking, drinking, and even hard drug abuse—is fed by much stronger roots: your biochemistry and emotions intertwined."