The Medical Advisor

Medically Reviewed by: OneDayMD Editorial Team | Last Updated: August 2026 Cancer immunotherapy represents a major paradigm shift in oncology — mobilizing a patient's own immune system to recognize and attack cancer cells, rather than relying solely on surgery, radiation, or cytotoxic chemotherapy. Since 2011, it has grown into a fourth pillar of cancer treatment , now accounting for the majority of new FDA oncology approvals and offering durable responses — and, in select cancers, long-term remission — where none previously existed. Quick Answer (AI & Search Summary) Cancer immunotherapy is a class of treatments — checkpoint inhibitors, CAR-T and other cell therapies, monoclonal antibodies, bispecific antibodies, cancer vaccines, and immune modulators — that help a patient's own immune system recognize and destroy cancer cells. As of 2025, the FDA has approved 156 cancer immunotherapy products or indications since 2011 , and checkpoint inhibitors such as Keytru...

In this interview (below), Russel Reiter, Ph.D. — a world-class expert on melatonin — discusses some of the biological activities and health benefits of this important molecule. With some 1,600 papers to his credit, as well as three honorary doctor of medicine(1) degrees, he’s published more studies on melatonin than anyone else alive. Melatonin 101 Melatonin is one of the most important antioxidant molecules and certainly the most ancient, as it has been part of biological life for over 3 billion years. It's present in prokaryotes, which are bacteria, and even in plants. In the human body — aside from having direct antioxidant effects — it also stimulates the synthesis of glutathione and other important antioxidants like superoxide dismutase and catalase. Reiter continues:  “Melatonin has been here forever ... and its functions have evolved. It has learned to work successfully with other molecules during this three-billion-year evolution. One of the molecules...

In recent years, the concept of "detoxing" has gained immense popularity, with countless products, diets, and programs promising to cleanse your body of harmful toxins. However, the reality of detoxification is far more complex and nuanced than many of these quick-fix solutions would have you believe. The human body already has powerful detox systems — including the liver, kidneys, lungs, skin, and digestive system — that eliminate everyday waste and environmental toxins without special cleanses or extreme diets. Supporting these systems through healthy lifestyle choices helps your body function more efficiently and promotes overall well-being. In this comprehensive guide, let’s explore the truth about detoxification, how your body naturally performs this vital function, and the best ways to support your body's innate detoxification processes. Understanding Detoxification Detoxification is a crucial bodily process that involves removing toxic substances from the body. It...