Aid groups warn any invasion would add to already-catastrophic conditions for Gaza's 2.4 million people
Responding to queries on the subject, spokesman Hogan Gidley said simply: "No."
"He's sharp as a tack," Gidley told reporters on board Air Force One.
Trump, 71, will be examined at the Walter Reed military hospital in a Washington suburb on Friday and the results are set to be made public.
During the 2016 presidential campaign, Trump published a letter by his long term doctor Harold Bornstein that stated he was in "excellent physical health".
Bornstein had previously written about Trump's health in glowing terms, stating in 2015 he would be "the healthiest individual ever elected to the presidency".
Angered by the publication of a bombshell book that raised doubts over his mental faculties, Trump took to Twitter this weekend to describe himself as "a very stable genius" and "like, really smart".
Aid groups warn any invasion would add to already-catastrophic conditions for Gaza's 2.4 million people
The American they will face Australia and Serbia on July 15 and July 17 as part of their preparation for the Paris Olympic Games
The leaders emphasise that the deal to release the hostages would bring an immediate and prolonged ceasefire in Gaza
Dubai-based Sumit Augustine has had a philosophical approach towards spending
The regional upswing also defies oil production cutbacks
It's a treatise that would determine the course of your life, not just academically, but as a person too
A US-based company is developing an eVTOL aircraft for commercial passenger service and is expected to start operations by 2025 or early 2026
The project’s aim is to generate funds for Harmony House, an orphanage located in India's Gurgaon