1. Balanced nutrition: While no food can directly kill cancer cells, maintaining a balanced diet is essential for boosting immunity. carcinogens. 

2. Exercise regularly: Poor immune function is a contributing factor to cancer development. Regular exercise improves immune function, preventing cancer recurrence.

3. Regular check-ups: Even after successful treatment, cancer survivors should not neglect medical follow-ups. 

4. Maintain a positive mindset:  A positive mindset means being optimistic while staying attentive to personal health. By following these habits, the risk of cancer recurrence can be significantly reduced.