The nature and social costs of pathological gambling are reviewed. Cos
ts of gambling in terms of indebtedness for the gambler, costs for fam
ily members, costs for the workplace, illegal activities, and physical
and psychological costs are examined. The interaction of pathological
gambling with other disorders, including substance abuse, anxiety, an
d depression, are noted. Methods of screening pathological gamblers ar
e summarized. Different treatment approaches and their effectiveness a
re reviewed, including Gamblers Anonymous and Gam-Anon, psychodynamic
treatment, behavioral and cognitive approaches, and treatment based on
an addiction model. Treatment for spouses is discussed. Gambling expe
nditure data are then examined to determine what portion of total expe
nditures is accounted for by problem gamblers.