The Left loves to cite science in the defense of their positions and their assaults on everyone else’s. COVID: “Trump doesn’t believe in science”! Climate change: “scientists give us only nine years.” Homosexuality: “people born this way have no choice.”

What about the science of biology, human mortality, and diminished cognition with aging? They are all deeply studied. There is an objective, scientific answer to whether a 78-year-old male with a history of brain bleeds is the person best able to perform the duties of the most consequential job on the planet.

“Save the planet” should not be the cry for climate change, but for Joe Biden to step aside.

Let’s start with biology. All living things must die. They exhibit a predictable life cycle, which sees birth (or germination, etc., as appropriate), growth, decline, and death.

On human mortality, it is solidly documented that a 78-year-old male only has a remaining life expectancy of under 9.5 years—on average, with the Biden history of brain bleeds unaccounted for. Further, the chance of death from age 78 on is about 5% annually. That means that of his possible 365 first days as president, the odds are that he will wake up dead on 18 of them. Has anyone checked Joe today?

As for cognitive aging, let’s stay with the science. Can we consult a paper that appears on the website for the National Center for Biotechnology Information, a division of the National Library of Medicine (NLM) at the National Institutes of Health? NLM leads research and research training in biomedical informatics, information science, and data science. The article is authored by a Ph.D. who has authored five books on cognitive aging, published 200 articles, and is a Fellow of the American Psychological Association, the Association for Psychological Science, and the American Association for the Advancement of Science.

Are we science-y enough yet?

The science is clear. As humans age, cognitive capacity diminishes—greatly. Thankfully, to some extent, accumulated knowledge can buffer the loss of what scientists may call “novel processing” or “fluid intelligence”—the ability to discern and cope with new situations requiring new cognitive problem-solving and decision-making. The paper features a Figure 2 that shows that accumulated knowledge may increase until about age 60-65. Then people get forgetful. I forget, how old is Joe?

Unfortunately, that novel problem-solving part of cognition begins to decline much earlier—by age 30 the long journey downward has begun. The scores on that Figure 2 may be understood in relation to one another at various ages even without viewing it. At age 30 the score is around +0.4, down from its peak of +0.5. At age 50 it is 0.0. At age 70 the score is -0.5. At 80, it is about -0.7. “Terminal decline” is the phenomenon describing an accelerated loss several years prior to dying. The whole slide is inevitable, though there may be some superhuman specimens among us who can stretch out the curve. Oh, to be that one!

People develop mechanisms—quirks, some would say—to deal with declining cognition. Responding to most any question or challenge with “c’mon man” fits that bill—it buys time to think and perhaps a chance to come up with a more measured cognitive response. A chance.

Here is what Joe already sounded like even a year ago: “Just like in my generation, when I got out of school that, uh, when Bobby Kennedy and Dr. King had been assassinated in the ’70s, uh, late seven—when I got engaged, um, you know, up to that time, remember the, none of you women will know this, but a couple men may remember, that was a time in the early, late ’60s, and the early ’60s and ’60s, where it was drop out and go to Haight-Ashbury, don’t get engaged, don’t trust anybody over 30. I mean, for real. What happened to them, by the, by the early ’70s, the late ’60s, there was a whole generation that said, ‘Enough.’ The war in Vietnam was underway, and it was—a lot of you served in that war—and, uh, we were fighting like the devil to make sure that there was something dealing with cleaning up the environment, which was only beginning. We were in a position where the women’s movement was just beginning to move. We should have, by now, long before, passed the ERA amendment, but that was another issue…”

Terminal decline? Not only has Donald Trump commented on Biden’s cognitive standing, so have Democrats Sen. Cory Booker and even a 95-year-old President Carter. Americans get to vote on it, if they are allowed to see it themselves.

Will the Left please step forward, and once again embrace science? Please call for Joe Biden to step aside—before the election.

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