“…As a consequence, some studies encourage preschool teachers to foster healthy habits within children, such as promoting mental health ( Haraldsson et al, 2017 ; Blewitt et al, 2020 ), invigorating healthier nutrition and feeding ( Whiteside-Mansell and Swindle, 2019 ), animating physical activity ( Tyler et al, 2020 ), inciting hygiene ( Bonnesen et al, 2015 ), or reassuring emotional health ( Ocasio et al, 2015 ). Recent research encourages preschool teachers to integrate all those health dimensions in their educational approach in classrooms ( Violant-Holz et al, 2021 ), following the emerging concept of health education ( Gavidia, 2016 ). This means understanding education, and therefore also health education, as a complex phenomenon ( Morin et al, 2002 ), integrating physical, mental, and social health with the frailty concept ( Boers and Cruz Jentoft, 2015 ).…”