In the United States alone, it is estimated that millions of people ​ — many of them youths — ​ deliberately hurt themselves by various means, such as cutting, burning, bruising, or scraping their skin.
Hinnanguliselt on ainuüksi Ameerika Ühendriikides miljoneid selliseid inimesi – nende seas palju noori –, kes oma nahka lõikudes, põletades, muljudes või kriimustades endale sihilikult viga teevad.