Breast Cancer: Allison's Survivor Story

What happened, in summary

Allison Tierney is a board-certified oncology dietitian and breast cancer survivor whose own diagnosis shaped how she talks about food and cancer. She describes cancer as multifactorial and emphasizes that survivors often never know exactly what caused their disease. Her own experience included a genetic mutation, something she could not control, which made the idea of “controlling the controllables” especially important. Rather than turning food into another source of fear, Allison uses nutrition as a way to help patients feel empowered. Her message is practical: nutrition during active treatment is different from nutrition in survivorship. During treatment, the goal may be managing nausea, appetite loss, diarrhea, fatigue, weight loss, hydration, calories, protein, carbohydrates, and treatment tolerance. She notes that food choices that sound healthy in survivorship may not work during a side-effect flare, when getting enough nutrition matters most. In survivorship, her advice becomes simpler and more evidence-based: eat more whole, minimally processed plant foods while avoiding perfectionism and guilt. She also encourages patients to ask for an oncology dietitian if nutrition is not part of standard care. As of April 2024, Allison was using her cancer experience and professional training to help patients reduce fear around food and reclaim some control during and after cancer treatment.