Does Sugar Intake Increase Risk of Papillary Thyroid Cancer Recurrence? - Breast and Thyroid

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Stage I Papillary Thyroid Carcinoma


Hello doctor, I am 47 years old.
I had a total thyroidectomy for stage I papillary thyroid cancer last April.
Will cooking job's tears with sugar (since I've heard that cancer cells like sugar) lead to a recurrence of papillary thyroid cancer?

Cool Long 999, 40~49 year old female. Ask Date: 2023/03/01

Dr. Yuan Tianmin reply Breast and Thyroid


In the recurrence of thyroid cancer, the risk factors for men are significantly higher than the sugar content in food.

Reply Date: 2023/03/01

More Info


The concern regarding sugar intake and its potential impact on the recurrence of papillary thyroid cancer (PTC) is a topic that has garnered attention in both the medical community and among patients. While it is commonly believed that cancer cells thrive on sugar, the relationship between sugar consumption and cancer recurrence is not as straightforward as it may seem.

Firstly, it is important to understand that papillary thyroid cancer is generally considered a low-risk cancer, especially in its early stages. The prognosis for patients with stage I PTC is quite favorable, with a high survival rate. Factors that contribute to cancer recurrence are multifaceted and include tumor characteristics, patient health, and treatment adherence, rather than solely dietary choices.

Research has shown that while high sugar intake can lead to obesity and metabolic syndrome, which are risk factors for various types of cancer, there is no direct evidence linking sugar consumption specifically to the recurrence of papillary thyroid cancer. In fact, the risk factors for thyroid cancer recurrence are more closely associated with the biological behavior of the cancer itself, such as tumor size, lymph node involvement, and the presence of aggressive histological features.

Regarding your specific question about cooking job's tears (coix seeds) with sugar, it is essential to consider moderation. While it is true that cancer cells utilize glucose for energy, the body requires carbohydrates, including sugars, for normal functioning. The key is to maintain a balanced diet that supports overall health without excessive sugar intake. Consuming foods high in refined sugars can lead to weight gain and other health issues, which may indirectly affect cancer outcomes.

Moreover, the notion that "cancer cells love sugar" can lead to unnecessary anxiety about dietary choices. It is crucial to focus on a well-rounded diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats, rather than fixating on eliminating sugar entirely. This approach not only supports general health but also helps in maintaining a healthy weight, which is vital for cancer survivors.

In summary, while it is wise to be mindful of sugar intake, especially in the context of overall health and weight management, there is currently no conclusive evidence to suggest that moderate sugar consumption directly increases the risk of recurrence for papillary thyroid cancer. It is always advisable to discuss dietary concerns with your healthcare provider or a registered dietitian who can provide personalized guidance based on your health status and treatment history. They can help you create a balanced meal plan that aligns with your health goals while addressing any concerns you may have about your diet post-cancer treatment.

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