Research
Mixed
Obesity negatively impacts cancer survival and treatment outcomes, including increased toxicity, dosing challenges, and poorer quality of life.
Obesity can worsen cancer outcomes and complicate treatment. It is associated with higher mortality, recurrence, and treatment challenges. Maintaining a healthy weight before and after diagnosis is crucial for better survival and quality of life. Discuss dosing concerns with your oncologist, as full doses may be safe and necessary.
GoodSupportsMEDIUM confidence
Among cancer patients, data are less robust, but we note a long history of poor outcomes after breast cancer among obese women.
Why this rating
Based on observational studies and clinical trials, though data is less robust than for incidence.
Source
Obesity and Cancer
Kathleen Y. Wolin et al. · The Oncologist · 2010
DOI 10.1634/theoncologist.2009-0285
narrative_reviewCited 749×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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Related findings · Mixed
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