In 2024, over 2 million Americans received a cancer diagnosis, as reported by the National Cancer Institute. Given the widespread nature of this disease, ongoing research investigates dietary habits that influence cancer risk. Recently, the idea that one should eliminate sugar from their diet because it “feeds” cancer has gained traction.
What is the basis for this belief? According to Paige Welsh, an oncology registered dietitian at the Cleveland Clinic, this perspective may be somewhat oversimplified. “When we consume carbohydrates, whether from soda, ice cream, or healthier options like fruits and whole grains, many of those carbs break down into a sugar called glucose. This is actually beneficial,” Welsh explains. “Essential systems, such as our brain and muscle recovery, function optimally when supplied with glucose.”
Current research does not support a direct link between sugar intake and cancer cell growth or the onset of cancer, as noted by the Cleveland Clinic. While it’s true that cancer cells, like other cells in the body, require sugar to thrive, Welsh insists that it’s not a straightforward cause-and-effect relationship.
Instead, the focus for cancer prevention should primarily be on minimizing added sugars, as these sugars can lead to health complications associated with cancer, such as obesity. According to national statistics, the main sources of added sugars in American diets are sugary beverages (like soda and soft drinks), sweets, and desserts. Even seemingly healthful items such as yogurts and cereals can contain significant amounts of sugar, which is why they should be considered more of a treat than a staple.
Moreover, if you find yourself consuming a lot of sweets, you may be missing out on essential nutrients such as fiber, vitamins, and antioxidants, which play a crucial role in reducing cancer risk.
So, how much sugar is advisable to consume daily? Welsh recommends that women limit their intake to no more than 25 grams of added sugar each day, while men should cap theirs at 36 grams or less.
“However, less is preferable, so be vigilant with those labels to avoid excessive amounts,” Welsh emphasized in a video interview from the Cleveland Clinic. She advocates for focusing on whole foods with naturally occurring sugars, such as fruits.
If you often crave sugar, it might indicate a need for more protein in your diet. Otherwise, it’s important to practice moderation when satisfying your sweet cravings.
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