This story is available exclusively to Business Insider subscribers. His campaign's press secretary confirmed that Kennedy was infected with a parasite 10 years ago and said it was resolved. His campaign told Business Insider that Kennedy is in "robust physical and mental health" and said questioning his fitness is a "hilarious suggestion, given his competition." One medical expert told Business Insider that Kennedy's version of events doesn't quite add up. But there's no way the larvae could have consumed Kennedy's brain tissue.

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Persons: —, Robert F, Kennedy Jr, — Kennedy, Kennedy, Joe Biden, Donald Trump, Janina Caira, Caira, Peter Hotez, Hotez Organizations: Service, The New York Times, The Times, Business, Times, University of Connecticut, New York Times, Baylor College of Medicine, National, Tropical Medicine Locations: The, South Asia, Texas