Unless we die young, old age awaits us all — even U.S. presidents. Inevitably, the older we get, the greater the chances of our physical and mental health worsening.

Yet although the Constitution says a president must be at least 35, it sets no upper age limit. This is a dangerous oversight that should be remedied with a constitutional amendment that sets a maximum age of 75 for a person to be sworn in as president.

This would ensure that no one 80 or older will ever again lead our nation.

A study supported by National Institutes of Health estimated that about 24 percent of Americans in their 80s have dementia, ranging from mild to severe, including about 18 percent who have Alzheimer’s disease. The NIH describes Alzheimer’s as “a brain disorder that slowly destroys memory and thinking skills, and eventually the ability to carry out the simplest tasks.” That is not something we want in a president, even in an early stage.

Several books have been published claiming former President Joe Biden was too mentally diminished to lead our nation — claims that Biden vehemently denies. The book receiving the most news coverage right now is “Original Sin: President Biden’s Decline, Its........

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