During the Democratic convention in 1960, opponent Lyndon Johnson raised questions about Kennedy's Addison's disease, which doctors were only just learning to control.
NPR: To Tell or Not? Disclosing Candidate Health Issues
2.
Kennedy suffered from Addison's disease, a disorder of the adrenal glands, as well as back problems for which he was on constant painkillers.
NPR: To Tell or Not? Disclosing Candidate Health Issues
3.
John Kennedy flatly denied that he had Addison's disease, an often fatal immune-system disorder that he struggled with all his life.