When pandemics collide: The impact of COVID-19 on childhood obesity.

• Children with obesity face increased biopsychosocial risks during COVID-19. • Stress exacerbates inflammation and immune response in obesity and COVID-19. • The COVID-19 pandemic has significantly interrupted children's daily routines. • The health effects of the obesogenic environment are exacerbated by COVID-19. • Access to timely, comprehensive healthcare is critical during COVID-19.