It’s hard to believe today, but leaching was once considered a legitimate and effective medical practice. Years from now, we may look back upon chemotherapy and radiation treatment for cancer in much the same way we now look upon leaching.

In labs today, all across the world, new forms of treatment for cancer and many other diseases under the general heading of immunotherapy are being discovered. The magic of the body’s own immune system is being brought to the task. However, there is no one size fits all, no silver bullet and such treatments are not a free ride. Either with respect to costs or side effects.

Just as the discovery of penicillin and the class of antibiotics, saved millions and truly changed the world, immunotherapy is on the precipice of doing the same for the 21st century.

However, its complexity, its connection to virtually every other aspect of the human body makes its study and the ability to harness and manipulate it, the medical holy grail of our times. Helping us to understand this is Pulitzer Prize winning journalist Matt Richtel in Elegant Defense, An: The Extraordinary New Science of the Immune System: A Tale in Four Lives.

My conversation with Matt Richtel:

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