Harry Oken, MD
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Latest articles
Drugs and prescribing

mRNA technology may be both a remarkable scientific tool and a very effective marketing machine. Those are not mutually exclusive. The challenge is distinguishing a promising platform, a useful treatment, and a product promoted beyond what the evidence can support.…
mRNA technology may be both a remarkable scientific tool and a very effective marketing machine. Those are not mutually exclusive. The challenge is distinguishing a promising platform, a useful treatment, and a product promoted beyond what the evidence can support.
In early 2020, COVID-19 was frightening. We did not know how readily the original strain would spread or how much illness and death it would cause. We soon learned that risk …
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mRNA hype moves faster than the evidence behind it
Drugs and prescribing

A year ago, I wrote about post-vaccination syndrome (PVS) after mRNA COVID-19 vaccination as a real, patient-reported problem that remains poorly defined and understudied. I described my wife's experience and called for serious study of patients with persistent symptoms after…
A year ago, I wrote about post-vaccination syndrome (PVS) after mRNA COVID-19 vaccination as a real, patient-reported problem that remains poorly defined and understudied. I described my wife’s experience and called for serious study of patients with persistent symptoms after vaccination.
My wife’s prolonged, relapsing illness prompted me to write publicly about PVS. Her symptoms began approximately two weeks after her third mRNA COVID-19 vaccination in late 2021. Since then, …
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Post-vaccination syndrome treatment update for 2026
Conditions and diseases

This past week, an unhinged man in Atlanta committed an atrocity. He went to the Centers for Disease Control (CDC) with five guns and killed a policeman. He blamed the COVID-19 vaccine for making him depressed and suicidal, and it…
This past week, an unhinged man in Atlanta committed an atrocity. He went to the Centers for Disease Control (CDC) with five guns and killed a policeman. He blamed the COVID-19 vaccine for making him depressed and suicidal, and it is reported that he had been reaching out for mental health assistance for weeks.
Since January 2022, I have been interacting with national experts on a clinical problem that has hit …
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mRNA post vaccination syndrome: Is it real?
Conditions and diseases

“In the beginner’s mind there are many possibilities, but in the expert's view, there are few.” Shunryu Suzuki was writing about Zen beginners and masters, but this concept applies to the practice of medicine as well. Experienced physicians are slow…
“In the beginner’s mind there are many possibilities, but in the expert’s view, there are few.”
Shunryu Suzuki was writing about Zen beginners and masters, but this concept applies to the practice of medicine as well. Experienced physicians are slow to accept a new paradigm, while medical students and new physicians are more open.
Sometimes, what we “know” to be true is not. Despite clinical trials to the …
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Do medical experts really know best?
Physician voices

Recently, Dr. Oz has come under scrutiny for his information on a number supplements that he alleges help with weight loss. Over the past 2 years, he has presented information about 3 diet supplements: green coffee extract, raspberry ketones and…
Recently, Dr. Oz has come under scrutiny for his information on a number supplements that he alleges help with weight loss. Over the past 2 years, he has presented information about 3 diet supplements: green coffee extract, raspberry ketones and garcinia cambogia. After reviewing the available information, I can not agree that there is compelling scientific information to …
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After serious self-reflection, is there redemption for Dr. Oz?
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