Hospital Infantil De Mexico Federico Gomez

This study tests whether a mobile app for parents can help prevent overweight and obesity in school children aged 5-11 in Mexico City. About 743 children from four schools will take part, with some families using the app and others not. The app gives tips on healthy eating and ph…

This study tests whether high doses of vitamin D3 can improve asthma control and reduce severe attacks in adolescents aged 12-17 who have obesity, asthma, and low vitamin D levels. Participants receive either a single high dose plus daily supplements or a lower daily dose for thr…