Most research has focused on adult population or on college students, but little is known about epidemiology of behavioral<unk> s in adolescence. A study conducted by Villella et al looked at a group of students and the prevalence of various<unk> s. His results showed<unk>  was the second most prevalent, after compulsive buying. High risk groups that appear to be addicted to<unk>  include athletes in sports encouraging thinness or appearance standards, young and middle-age women, and young men.
Exercise addiction
Nicotine dependence
Caffeinism
Nicotine withdrawal
Carcinoid syndrome
Food addiction
Metabolic syndrome
Alcohol intolerance