


Meet Dr. Victor Marcial-Vega
Dr. Victor Marcial-Vega is a board-certified oncologist and integrative medicine physician recognized for bridging advanced cancer research with compassionate, patient-centered care. For more than two decades, he has collaborated with leading oncology teams and primary care specialists to help patients make clear, confident decisions at critical moments.
As a clinician, educator, and author of Where Is the Cure?, Dr. Marcial-Vega translates complex medical science into practical, evidence-based steps. His approach combines medical precision with genuine empathy, ensuring that every treatment plan respects safety, sound research, and the unique goals of each patient.
About Where is the Cure Coming From (Extended Medical Guide)
Where Is the Cure? is a comprehensive medical guide that empowers patients to make informed choices about breast cancer treatment and prevention. It introduces readers to the Predict system — a scientifically validated tool used to estimate survival outcomes and treatment benefits — which Dr. Marcial-Vega has studied extensively and teaches patients to use. This extended guide explains how to interpret Predict results within the broader context of integrative medicine, nutrition, and detoxification strategies. Dr. Marcial-Vega is also available to provide individual assessments of Predict reports for those seeking a deeper understanding of their personalized results.
About Where is the Cure Coming From (Patient Edition)
Where Is the Cure? — Patient Edition was created for individuals and families who prefer a gentler, easier-to-understand presentation of the same powerful information found in his Extended Medical Guide. This edition explains the Predict system and integrative approaches to breast cancer care in clear, conversational language that offers reassurance rather than complexity. It highlights the vital role of nutrition, detoxification, and daily exercise in strengthening the immune system and improving overall wellness. Designed to bring peace of mind and confidence, it helps readers grasp essential concepts about treatment options while feeling supported throughout their healing journey.
What You’ll Learn in “Where Is the Cure?
Understand your treatment options with confidence. Learn how surgery, chemotherapy, radiation, hormonal therapy, and newer targeted treatments each contribute to long-term survival—based on clear, scientific data.
Discover the power of the Predict system. Dr. Victor Marcial-Vega, a respected oncologist and integrative medicine physician, guides readers through the Predict tool developed by the U.K.’s National Health Service to estimate survival outcomes and treatment benefits up to 10 years.
See why exercise matters more than you think. Research shows that consistent physical activity after diagnosis can improve survival in up to 15 out of 100 breast cancer patients—offering benefits without cost or side effects.
Integrate mind-body healing. Explore how guided relaxation, stress reduction, essential oils, and emotional wellness practices can support recovery and overall health.
Find hope through informed care.
Dr. Marcial-Vega combines medical precision with compassion, helping patients understand their options, strengthen their bodies, and embrace a proactive path toward healing.

As featured in Congress and one of the leading voices in Integrative Medicine today
Dr. Victor Marcial-Vega is a Johns Hopkins–trained Radiation Oncologist and a nationally recognized leader in Integrative and Preventive Medicine. For more than 30 years, he has dedicated his career to helping patients understand their treatment options with clarity, compassion, and science-based guidance.
He completed medical school at the University of Puerto Rico School of Medicine, followed by residency and fellowship training at Johns Hopkins Hospital, one of the most respected medical institutions in the world. His commitment to advancing medical understanding has taken him far beyond the clinic.
In 1999, Dr. Marcial-Vega was invited to speak before the United States Congress Government Reform Committee, where he testified on the use of intravenous EDTA chelation therapy in cardiovascular disease and cancer. He also co-authored the well-known text “Alternative Medicine: The Definitive Guide to Cancer”, contributing to the foundation of integrative cancer care in the United States.
For the past eight years, he has served as an Assistant Clinical Professor at the Universidad Central del Caribe School of Medicine, teaching future physicians how to blend modern oncology with holistic, evidence-based approaches that support the entire body.
Today, he continues his mission through Ask Dr. Victor, bringing patients education, confidence, and hope as they navigate difficult diagnoses. His work centers around helping individuals understand not only what their treatment options are but why each option matters, and how lifestyle, mindset, and early detection can greatly influence long-term outcomes.
Through his Where Is the Cure? program and YouTube channel, Dr. Marcial-Vega empowers patients to take an active role in their healing—transforming fear into clarity and confusion into informed decision-making.