In Before Cancer Begins, renowned scientist A. K. Rajasekaran, PhD, traces the journey that led him to this understanding. From a childhood shaped by curiosity and observation, sometimes amidst doubt, to a career dedicated to investigating the biology of disease, Rajasekaran reflects on the experiences that guided his path into cancer research and drug discovery.

Through stories of early challenges, inspiring mentors, scientific setbacks, and unexpected breakthroughs, he uncovers a deeper truth: the search for answers often begins long before a scientist steps into a laboratory. Combining personal reflection with scientific insight, Rajasekaran encourages readers to reconsider when and how disease truly starts, and whether our greatest opportunity lies not only in curing illness but also in preventing it.

Thoughtful, inspiring, and deeply human, Before Cancer Begins is more than a memoir of a life in science. It is a reflection on how curiosity turns into inquiry, inquiry into discovery, and how the questions we ask early in life can shape a lifelong mission.

For students, young scientists, and curious readers alike, this book offers a powerful reminder: the future of health may depend on the questions we ask long before disease appears.

It is the story of how foresight, compassion, and curiosity can quietly grow into a lifelong mission.

Prevention begins in childhood

Purpose begins with a question.

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