This paper has as main objective to analyze the participation of young people in digital communities that provide them with medical information and emotional support. The digital communities of two influencers on Instagram were analyzed: Anahí De Cárdenas (Peru) and Belén Canalejo (Spain). The influencers were selected because they have publicly presented the breast cancer they suffered and used their networks to provide support to users through their treatment’s diffusion, in the case of Anahí, and positive messages about mental health, in the case of Belén. A qualitative analysis was used that allowed to collect information from their followers. An ethnographic study was carried out in which the in-depth interview technique was applied to 6 users who belong to said communities. Likewise, the content analysis technique was applied in 3 videos and 3 podcasts published by the influ...