there have been no modern-day U.S. presidents who have been publicly confirmed to have schizophrenia or other serious mental illnesses like bipolar disorder while serving in office.
It's important to note that diagnosing mental health conditions in public figures can be challenging due to privacy laws and ethical considerations. Furthermore, diagnosing individuals without proper evaluation and consent from qualified medical professionals is not appropriate.
Presidents, like any other individuals, may experience various health conditions, including mental health issues. However, such information may not always be disclosed publicly. If any president or public figure were to experience mental health challenges, it is crucial to approach the topic with sensitivity and respect for their privacy.
If you are curious about the mental health history of specific public figures, I recommend conducting up-to-date research or referring to reliable sources to obtain accurate and current information.