A psychologist has warned Donald Trump is showing a "massive increase" in his alleged "clinical signs of dementia," RadarOnline.com can reveal.

Dr. John Garter, who co-hosts the Shrinking Trump podcast, claimed these increases have also inflamed the president's "malignant narcissism." Article continues below advertisement

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During an appearance on The Daily Beast Podcast , Gartner explained Trump's confusion, bizarre and incoherent rambling, and memory lapses are signs of "immense cognitive decline."

Garner noted these symptoms have impacted the president's "grandiosity" and "paranoia," as he warned about the threat of nuclear war under the unstable Commander-in-Chief .

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