Sugar-Sweetened Beverages and Cancer Risk: A Narrative Review

Abstract

Cancer continues to be a major public health challenge worldwide, not only for being one of the leading causes of death but also because the number of incident cases is projected to grow in the next decades. Meanwhile, sugar-sweetened beverages (SSB) consumption has risen since the past century and constitutes a considerable fraction of added sugars in daily diet. Several studies have analyzed the relationship between SSB intake and health and found substantial evidence for effects on obesity, type 2 diabetes and metabolic syndrome. However, there is little knowledge about the relationship of SSB with cancer risk. It may be speculated that there is an indirect relationship between SSB and cancer through obesity and metabolic syndrome, but obesity-independent associations through hormonal imbalances or chronic inflammation could also exist. In this review, we describe the epidemiological evidence of the association of SSB and the risk of cancer in adults. Although the epidemiological evidence linking SSB consumption and cancer risk is still limited, prospective studies suggest that high SSB intake may increase the risk of obesity-related cancers, breast and prostate cancer.

Acknowledgments

CAQ holds a postdoctoral fellowship from Metropolitan Autonomous University. RB is a participant in the US Bone & Joint Initiative’s Young Investigator Program.

Disclosure statement

No potential conflict of interest was reported by the authors.

Funding Details

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.