Hillary Clinton's not the first major US politician to not disclose health issues

Hillary Clinton has been criticized recently for delaying the disclosure of her pneumonia, however, U.S. leaders do have a history of withholding information regarding their health.

The presidential candidate felt "overheated" on Sunday, and after what witnesses called a "medical episode" was forced to leave a 9/11 memorial early. Shortly after the incident, the campaign announced she had been diagnosed with pneumonia a few days earlier.

While the Clinton camp has come under fire for their handling of the candidate's diagnosis, there is precedent for how American politicians handle medical issues.

Click through a list of presidents who suffered from health issues:

John F. Kennedy was elected president without disclosing a major health condition, one that may have even prevented him from being eligible for the White House. Kennedy was battling Addison's disease, a serious glandular disorder, but the diagnosis was not made public.

During the 1960 Democratic nomination the Kennedy camp outright denied that their candidate had Addison's after aides of Lyndon Johnson accused Kennedy of suffering from the disease.

Kennedy's predecessor, Dwight Eisenhower, suffered a heart attack in 1955 that was disclosed, however, it may have been far more severe than was acknowledged at the time.

Addison's Disease Overview HealthGrove

The 28th President of the United States Woodrow Wilson suffered a major stroke in October 1919, causing Wilson to be incapacitated for nearly the entirety of his remaining time in office.

A more public health scare occurred in January 2002 when President George W. Bush, while watching a football game, choked on a pretzel in the White House. The elder Bush, the 41st president of the United States, also had a major public health scare when he threw up in public at a state banquet in Japan due to a both a upset stomach and fatigue.

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