As an oncologist, I hear the same question from almost every patient once treatment is over:
“Doctor, what can I do from my side to prevent the cancer from coming back?”
It is a deeply human question. After months of treatment, patients want control. They want to actively contribute to their own recovery.
One of the strongest answers we can now give is simple:
Move.
Completing cancer treatment is a powerful milestone. Surgery, chemotherapy, or radiation may come to an end — but recovery does not end there.
The months that follow are not just about rest; they are about rebuilding strength, restoring balance, rebuilding self-confidence, and protecting long-term health.
Today, strong scientific evidence shows that structured exercise after cancer treatment is more than general wellness advice — it is an important adjunct to cancer therapy. In certain cancers, it has even been shown to improve survival.
In 2025, a large international clinical trial presented at the American Society of Clinical Oncology (ASCO 2025) demonstrated that patients treated for colorectal cancer who followed a structured, supervised exercise program after completing therapy had significantly lower rates of cancer recurrence and improved long-term survival compared with those who received standard health advice alone.
The exercise was not extreme or exhausting. It included regular, moderate activities such as brisk walking and light strength training, performed consistently over time. The message was clear:
When movement is structured and sustained, it can meaningfully influence outcomes.
Across other cancers — including breast and prostate cancer — research consistently shows that patients who remain physically active after treatment experience significant health benefits, along with lower recurrence rates and improved survival. While the strongest current evidence comes from colorectal cancer studies, the broader trend across oncology is encouraging.
Exercise provides:
Reduced fatigue
Improved muscle strength and stamina
Better cardiovascular health
Healthier weight control
Improved quality of life
Better mental health and sleep
Cancer treatment can bring anxiety, low mood, sleep disturbances, and a loss of confidence. Regular physical activity has been shown to improve mood, reduce symptoms of depression and anxiety, enhance sleep quality, and restore a sense of control. Patients often report feeling stronger not only in body, but also in mind.
In India, research from Tata Memorial Centre’s yoga study has also demonstrated that structured yoga programs in women recovering from breast cancer not only improve fatigue, emotional well-being, and overall quality of life, but may also offer survival benefits.
These findings are important because they shift exercise from being viewed as simply “good for general health” to being recognised as an evidence-supported component of cancer survivorship care.
They reinforce that guided, culturally relevant forms of movement — whether walking programs, strength training, or supervised yoga — are meaningful tools for better survivorship.
The message is simple and empowering:
Do not wait to feel strong before you begin moving.
Begin moving gently — and strength will follow.
Modern cancer care is not only about treating disease. It is about helping patients live well and live long after treatment. Exercise is safe, practical, and increasingly supported by strong medical evidence.
Movement is not just activity.
Movement is medicine.
Dr. Dhwani Shah
MBBS, M.S. General Surgery, M.ch. Surgical Oncology (TMH Mumbai)
Consultant – Surgical Oncology
