This primer summarizes the current status, successes and difficulties, advancements, limitations, and challenges in cancer interventions that impact patients quality of life. Includes concise descriptions of all relevant cell and molecular biology concepts to help understand the pathophysiology of cancer, cancer associated disease conditions and effective cancer therapy. Covers many areas related to tumors including efficient biomarkers, (l) immunotherapy, and (m) nutraceuticals and natural products role in health. Provides perspectives on how to improve pre-clinical understandings of cancer care, outcomes, and patient care. This comprehensive, timely, and relevant overview of the literature has educational value as part of an academic course, seminar, or as a supplementary text.