<qa>  What is the reason for obesity?This is why that, to try to minimize these effects, it is essential to try to instill healthy habits food and physical exercise, since as it confirms the current literature, obesity is related to a lower survival and a greater presence of other diseases, and increased consumption of fruits and vegetables and physical activity practice improves the quality of life in survivors of CRC. However, changes in lifestyle are complicated to maintain long-term. In this sense, the technological development offers possibilities to try to resolve this lack of adherence in patients with cancer. However, the evidence highlights the need to improve knowledge about its applicability and efficacy in patients with this pathology betting on technologies more innovative. 