Thanks to advances in treatment, more than 85% of children diagnosed with cancer now survive into adulthood. However, many survivors face long-term health challenges caused by their cancer treatments, including heart disease, diabetes, high blood pressure, anxiety, depression, and reduced quality of life.
In this study, researchers followed more than 18,000 childhood cancer survivors over several decades to understand how lifestyle choices affect these long-term health risks. They found that survivors who maintained healthier lifestyles—such as staying physically active, maintaining a healthy weight, avoiding smoking, and limiting alcohol use—were less likely to develop many chronic health conditions.
Surprisingly, the researchers found that unhealthy lifestyle factors contributed to some health problems as much as, or even more than, the cancer treatments themselves. This suggests that healthy behaviors may play a powerful role in helping survivors reduce their risk of serious medical conditions later in life.
Why This Matters for Childhood Cancer
This research highlights an important message: while doctors cannot change the treatments a child received in the past, lifestyle can be improved throughout life. The findings suggest that programs focused on exercise, nutrition, weight management, and overall wellness could help childhood cancer survivors live healthier lives and potentially prevent some treatment-related complications. The study also found that survivors may benefit from healthy lifestyle changes even more than people who have never had cancer.
Takeaway
The study reinforces the importance of survivorship care that extends beyond cancer treatment. By combining regular medical follow-up with healthy lifestyle habits, childhood cancer survivors may be able to significantly reduce their risk of long-term health problems and improve their overall quality of life.
Read Full Nature Communications Paper: nature.com/articles/s41467-026-74270-y