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The wellness media ecosystem is a scam
Stealing your attention to sell you crap
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Gregory Katz, MD
In defense of stress tests
A couple of weeks ago, I wrote an argument about why stress tests are overused and occasionally pointless: The crux of that argument boils down to a…
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Gregory Katz, MD
What is long Covid?
The question “what is long Covid?” should be easy to answer. After all, we’ve had hundreds of millions of infections worldwide and by some estimates…
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Gregory Katz, MD
April 2023
The inevitable Ozempic backlash
It was inevitable that there was going to be a backlash against Ozempic and other safe and effective weight loss drugs at some point. This happens with…
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Gregory Katz, MD
The cynical case against all stress tests
Almost everybody is going to get heart disease at some point in their lives. That may sound hyperbolic, but it’s actually just being literal. Even if…
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Gregory Katz, MD
Making stress tests obsolete
We perform 8 million stress tests a year in America. I would wager that a large portion of the people reading this newsletter have either had a stress…
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Gregory Katz, MD
Wearables: the Apple Watch, Whoop, Oura ring - lifesaving devices or useless data collectors?
Will they save your life?
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Gregory Katz, MD
March 2023
Preventive medicine means overtreatment
But that's not necessarily a bad thing
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Gregory Katz, MD
Does Covid increase heart attack risk?
It’s almost taken as a given that a Covid infection increases the risk of heart attacks, because, after all, that seems to be what the data show: If you…
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Gregory Katz, MD
Artificial sweeteners are either killing you or not killing you
Did you happen to come across the news reports on the potential cardiovascular harms of a common artificial sweetener? The headlines all had the same…
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Gregory Katz, MD
A new statin alternative... how good is bempedoic acid?
Heart disease is the number 1 cause of death in America, but it doesn’t have to be. We know a huge amount about how to lower cardiovascular risk, but…
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Gregory Katz, MD
ChatGPT passes the medical licensing exam
Passing USMLE Steps 1, 2, and 3 without studying!
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Gregory Katz, MD
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