Photo Credit:

Dermot O’Riordan

Jacob Ammentorp Lund / Getty Images

SOURCES:

Liz O’Riordan, breast cancer survivor; speaker; broadcaster; co-author, The Complete Guide to Breast Cancer: How to Feel Empowered and Take Control.

Neil Iyengar, MD, associate attending physician, breast medicine service, Memorial Sloan Kettering Cancer Center.

Journal of the National Cancer Institute: “Physical Activity Before, During, and After Chemotherapy for High-Risk Breast Cancer: Relationships With Survival.”

National Cancer Institute: “For Women with Breast Cancer, Regular Exercise May Improve Survival.”

The Breast: “Physical activity in breast cancer survivors: A systematic review and meta-analysis on overall and breast cancer survival.”

Integrative Cancer Therapies: “Effect of Exercise on Mortality and Recurrence in Patients With Cancer: A Systematic Review and Meta-Analysis.”

Jennifer Ligibel, MD, Susan G. Komen scholar; associate professor of medicine, Harvard Medical School.

Erika Rees-Punia, PhD, principal scientist, American Cancer Society.

Karen Basen-Engquist, PhD, professor of behavioral science; director, Center for Energy Balance in Cancer Prevention and Survivorship, University of Texas MD Anderson Cancer Center.

Journal of Clinical Oncology: “Obesity and Breast Cancer Prognosis: Evidence, Challenges, and Opportunities.”

U.S. Department of Health and Human Services: “Top 10 Things to Know About the Second Edition of the Physical Activity Guidelines for Americans.”

American Cancer Society: “American Cancer Society Guideline for Diet and Physical Activity.”

Medicine & Science in Sports & Exercise: “American College of Sports Medicine Roundtable Report on Physical Activity, Sedentary Behavior, and Cancer Prevention and Control.”

Johns Hopkins Medicine: “Exercise and Breast Cancer.”