Hospital Infantil De Mexico Federico Gomez

This study tests whether vitamin D3 supplements can improve asthma control in adolescents aged 12-17 who have obesity, non-allergic asthma, and vitamin D deficiency. Participants receive either a high or standard daily dose of vitamin D3 for three months. Researchers will measure…

This study tests a mobile app called 'Applícate por tu salud' that sends parents tips, recipes, and videos to encourage healthy eating and physical activity for their school-aged children. About 743 children from 4 primary schools in Mexico City will take part, with some schools …