Soraya Casla is a specialist in oncology exercise and directs a specialized center. She says physical activity increases survival by up to 40% and reduces side effects of treatments.

Walking can be the beginning, but not the end, she says. Casla: "We have to recover, when your health, when you are healthy, but we need a much more complex strategy, in the case of cancer’s global deterioration’“We need to generate new neural connections, which are lost due to treatments, and improve functionality and mobility,” she adds.