HeyJaredThe Skeptical Cardiologist
Unbiased, evidence-based analysis of the effects of diet, lifestyle, drugs and procedures on cardiovascular health and diseases
- Indexed issues, last 90 days
- 14
- Latest publication
- Sep 28, 2026
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- Earliest in this view
- Jul 19, 2026
Latest issues
Fall Vaccinations, Covid Boosters, Cardiac Risks and Risk Reduction in Adults (opens the original)
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We are approaching fall, when candy and costumes are ubiquitous, and patients start asking me if they should get certain vaccinations.Personally, I got another COVID booster 48 72 hours ago.1 It was a Nuvaxovid2 for reasons I outlined a year agoThere hasn’t been much change with respect to COVID vaccination since I wrote these words last yearCOVID-19 vaccination has become polit
In Flight Medical Emergencies: Will the Doctor Heed The Call with a Proper Medical Kit? (opens the original)
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I’ve been waiting to “heed the call” and respond to an in-flight medical emergency (IME) since 2019, when I upgraded my personal IME toolkit.However, despite taking many flights, I haven't had any emergencies to heed.Ironically, a month ago I consumed the cookies offered to me on a Southwest flight without closely checking the ingredients and almost made myself an IME!I am very allergic to pecans and walnutsAnd after rapidly sca
Does Short Sleep Duration Shrink Testicles, Shorten Life and Cause Dementia? (opens the original)
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I wrote about Matthew Walker and his best-selling and oft-quoted book, ‘Why We Sleep” back in 2019 after listening to him being interviewed by Peter Attia on the Drive podcast.<img alt="" class="sizing-normal" height="584" src="https://substackcdn.com/ima
Coffee and the Heart: Startling New Findings? (opens the original)
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(The skeptical cardiologist and crew are flying back to the US. It appears we dodged a huge SNAFU at London’s Heathrow Airport a few days ago1 and a hurricane hitting SoCal last week. I am really looking forward to making my own cup of coffee upon return to Encinitas. This reminds me that I saw a patient a few months ago who was terribly troubled by palpitations due to very frequent premature ventricular contractions (PVCs). A monitor showed that 14% of his cardiac beats were PVCs. When I inquir
Of Type I C Atrial Septal Aneurysms and a Brilliant Google AI Assessment (opens the original)
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A year ago, the skeptical cardiologist proclaimed that Google AI was worthlessI provided an example of egregious ignorance wherein Google AI did not know that the Byrds had recorded a cover version of Neil Young’s Cowgirl in the Sand<source ty
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