Shedding light on the link between obesity and cancer recurrence

Obesity and cancer recurrence have a complex relationship. Studies have shown that obesity can increase the risk of cancer returning and negatively affect cancer treatment.

This is particularly concerning for cancer survivors, who are already monitoring for signs of recurrence and navigating the uncertainties that come after cancer diagnosis and treatment.

For cancer patients, understanding the impact of obesity on the likelihood of cancer returning can help improve treatment outcomes and their overall well-being.

The link between obesity and cancer recurrence

Obesity increases the risk of cancer recurrence because fat produces estrogen, which can lead to the development of breast, ovarian and other cancers. Unhealthy habits like bad diet and lack of exercise make it worse.

"Obesity can also lead to chronic inflammation, which damages DNA and promotes cancer growth," says Anthony Ricco, MD, a radiation oncologist on staff at Main Line Health. "Excess weight also affects insulin levels and insulin-like growth factors, which can further support the growth and spread of cancer cells."

Carrying extra weight can also make cancer treatment harder, especially if you have other health problems like diabetes or heart disease. It’s harder for the body to fight all these health issues at once, making it more difficult to beat cancer for good.

Stress, too, plays a significant role. Chronic stress also can weaken the immune system while altering hormonal balances. This can indirectly contribute to cancer recurrence by fostering an environment conducive to cancer cell growth.

Preventing cancer recurrence through weight management

Managing weight is not just about numbers on a scale, it's about making lifestyle changes that focus on nourishment, movement and mental well-being. It may seem overwhelming, but seeking help from doctors, nutritionists and fitness coaches can help create a personalized plan based on your needs, preferences and medical history. This team approach can guide you towards a healthier weight.

"A balanced diet plays a pivotal role in weight management, focusing on whole foods rich in nutrients that fuel the body and aid in recovery," says Dr. Ricco. "Think colorful plates filled with fruits, vegetables, lean proteins and whole grains — foods that are as close to their natural state as possible."

Physical activity is equally important. Working regular exercise into your routine doesn't mean you need to run marathons or lift heavy weights. It's about finding joy in movement — be it walking, swimming, yoga or gardening. Find activities that you look forward to and that boost your mood and improve your overall fitness.

Remember that stress can make it difficult to manage weight, but practicing mindfulness, meditation or therapy can help. These practices not only improve weight management but also enhance overall quality of life.

Support systems and resources

Support groups can provide a safe space for cancer patients to share their experiences and fears without judgment. They offer companionship and practical advice, which can be invaluable during this transformative time.

"Counseling services and therapy from oncology specialists can also help manage the emotional difficulties that come with a cancer diagnosis, providing coping mechanisms and increasing resilience," says Dr. Ricco.

Recovering from illness and preventing it from coming back requires support and understanding from a community. It's not just about surviving, but thriving with the help of others.

Next steps:

Learn more about Anthony Ricco, MD
Learn more about cancer care at Main Line Health 
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