“…It is a time of life marked by physical, emotional, behavioural and social changes, but also by relatively high risks for the onset of (chronic) health problems (Patton & Viner, 2007;Sawyer et al, 2007;Turk, Graham, & Verhulst, 2007). Literature about young people with ID suggests that adolescents have a greater risk on chronic diseases compared to adolescents without ID (Cooper, Melville, & Morrison, 2004;Emerson & Hatton, 2007;Emerson, 2003;Jansen, Krol, Groothoff, & Post, 2004;Kolaitis, 2008;Magnusson & Saemundsen, 2001;Petterson et al, 2007;Van Schrojenstein Lantman-de Valk & Walsh, 2008;Voigt et al, 2006), but inclusive data on this are lacking.…”