adolescence adolescent adolescentbehavior adolescentdevelopment adolescentes adolescentmedicine adolescentpsychology adolescentpsychopathology adolescentpsychotherapy adolescents anorexianervosa attitudetohealth child childdevelopment childpsychiatry childpsychology childpsychopathology childrenofteenagemothers classification conditionssociales cr6000 developmental developmentalpsychology developpement diagnosis diagnostic développement eatingdisorders eatingdisordersinadolescence eatingdisordersinchildren eetstoornissen enfants enfantsdemeresadolescentes enfantsdemèresadolescentes entwicklungspsychologie etudeslongitudinales families family family/marriage familypsychotherapy familyrelations familytherapy genderidentity general geschlecht gezinsrelaties gezinstherapie gezondheid grouppsychotherapy habitudessanitaireschezl'adolescent healthandhygiene healthbehavior healthbehaviorinadolescence healthpromotion identite?sexuelle identiteit identitésexuelle infant interpersonalrelations jeugdhulpverlening jeunesse jugend kinderen lifestages longitudinalstudies maladiesmentales marriage medischepsychologie meisjes mentaldisorders mentalillness meresadolescentes methods moeders motherhood mèresadolescentes ontwikkelingspsychologie parentandchild parenthood parenting personalityassessment personalitydevelopment personnalite? personnalité persoonlijkheidsontwikkeling persönlichkeitsentwicklung pregnancy prisederisquechezl'adolescent problem promotiondelasante psychiatry psychologie psychology psychopathologie psychosocialeontwikkeling psychothérapie psychothérapiedegroupe relationships risiconemen risk-taking risk-taking(psychology)inadolescence risk-takinginadolescence santéethygiène socialbehavior socialconditions socialepsychologie socialpsychology socialwelfare sociology sociologyofyouth sozialerwandel teenagegirls teenagemothers teenagers thuisbehandeling thérapiefamiliale unitedstates weiblichejugend youth états-unis étudeslongitudinales