Linus Pauling won two Nobel Prizes — Chemistry in 1954 and Peace in 1962 — both unshared, a rare feat. Beginning in the mid-1960s, he began claiming vitamin C was a universal remedy for cancer, cardiovascular disease, Alzheimer's, multiple sclerosis, and osteoarthritis. He developed an alternative treatment called orthomolecular medicine based on patient-specific vitamin and mineral doses. Some 60 years later, evidence for his methods remains inconclusive. The phenomenon has a name: "Nobelitis," coined by Paul Nurse, president of The Royal Society and himself a Nobel laureate in physiology or medicine (2001). It describes laureates who develop delusions of grandeur, leveraging domain-specific credibility to promote claims far outside their expertise. Nurse's prescription is blunt: "Be skeptical of everything, including yourself and your own ideas." The pattern repeats with disturbing consistency. Luc Montagnier, jointly honored in 2008 for discovering HIV with Françoise Barré-Sinoussi, later endorsed homeopathy and claimed HIV transmission in Africa could be addressed through hygiene and nutrition alone. During COVID-19, he asserted SARS-CoV-2 was lab-created with HIV genetic code — a claim German virologist Christian Drosten publicly called "utter nonsense" on NDR's Coronavirus Update podcast in May 2020. Drosten noted the awkwardness: "It's difficult for a practicing virologist to say that a Nobel laureate in virology is spreading nonsense." James Watson, awarded the 1962 Nobel alongside Maurice Wilkins and Francis Crick for discovering DNA's structure, repeatedly spread racist theories in the early 2000s claiming Black people were less intelligent than white people. Medical historian Nils Hansson of Heinrich Heine University Düsseldorf uses Watson as a prime example that a Nobel Prize does not automatically designate a role model. "You may have made a fantastic discovery, but that doesn't make you a universal genius," Hansson said. The mechanism is straightforward authority transfer. A prize awarded for a specific discovery in a specific field gets treated — by media, by the public, by the laureates themselves — as a blanket credential. Nurse described how winning immediately generated daily interview requests on topics far from his expertise, "as if suddenly I was knowledgeable about all workings of the world and of human beings." Hansson observes media eagerly amplify whatever laureates say, even when they stray far from their domain. The extraction runs in both directions. Laureates extract unearned authority to promote pet theories. Media extracts clicks and prestige-by-association from Nobel names. The public bears the cost: homeopathy, orthomolecular medicine, racist pseudoscience, and lab-leak conspiracy theories all gain undeserved credibility when wrapped in Nobel authority. The institutions that could apply friction — universities, academies, journals — largely defer to the halo. Nurse's advice to researchers doubles as the structural fix: "Talk about things that you do know something about. And if you don't know so much or you're not sure about something, be really clear that you're not sure." The problem isn't that Nobel laureates have opinions — it's that no institutional mechanism forces the distinction between earned expertise and borrowed prestige.