Peter Jaret is the author of several health-related books, including In Self-Defense: The Human Immune System, Nurse: A World of Care, and Impact: On the Frontlines of Public Health. A frequent contributor to National Geographic, The New York Times, Reader’s Digest, Health magazine, More, AARP Bulletin, and dozens of other periodicals, Jaret is the recipient of an American Medical Association award for journalism and two James Beard awards. He lives in Petaluma, California.