Andrew Stiles writes a great explainer to Axios' report that Biden routinely explodes in f-bomb-laden tirades against aides. And he also parodies Axios' Baby's First Blog style of writing, with topic-markers like "What Happened" and "What It Means" and "Why It Matters."

What it means: Increased anger and agitation are common symptoms of dementia and Alzheimer's disease, according to the National Institute on Aging (NIA).

• "People with Alzheimer's disease may become agitated or aggressive as the disease gets worse," the NIA advises Alzheimer's caregivers on its website. "Try not to ignore the problem. Doing nothing can make things worse."

Why it matters: Biden, 80, is running for a second four-year term as president of the United States. Concerned citizens have repeatedly expressed alarm over the state of his physical and mental health.

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Crucial context: Axios cofounder Jim VandeHei is also prone to fits of rage.

LOL. L-O-f'n'-L.

What comes next: