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Eric Topol Profile picture
@EricTopol
Sep 30, 2020 • 5 tweets • 5 min read • Read on X
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We desperately need these rapid tests for infectious covid (not PCR for infected). The rationale and the obstacle (FDA) laid out so well by @michaelmina_lab, @DanLarremore, Roy Parker @CUBoulder in today's @NEJM nejm.org/doi/full/10.10…
In today's superspreader/overdispersion piece by @zeynep (the best, comprehensive one on this topic to date), she also reviews how important these cheap, frequent, rapid turnaround tests can prevent such spread
theatlantic.com/health/archive… @TheAtlantic
When you combine this w/ @ScienceMagazine yesterday on PCR tests (CT, cycle threshold) you realize that the testing we have today, mostly detecting infections but not infectious, are way off the mark.
We should all have had the home rapid tests months ago!
I pleaded for these rapid home tests in July and hard to believe it's now (tomorrow) October and we still don't have them.
More on this. The innovation work has been extraordinary. The lack of getting this across the goal line pathetic.

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More from @EricTopol

Eric Topol Profile picture
Jan 20
Physical activity and the reduction of all-cause mortality, from 2 very large prospective cohorts
1. The relationship is non-linear, suggesting a threshold effect for many types of exercise as seen below Image
2. Engaging in > 1 type of physical activity was generally correlated with better outcomes compared with 1 type (T1,2,3) Image
The @BMJMedicine was supposed to post this paper 2 hours ago but has failed to do. It is being covered by other means medicalxpress.com/news/2026-01-p…
Someday the link will be active!
dx.doi.org/10.1136/bmjmed… Image
Read 5 tweets
Eric Topol Profile picture
Jan 1
People age 70+ should not be taking aspirin at any dose for prevention. Results of randomized trials show higher risk of all-cause mortality, major bleeding events and deaths from cancer. p 153, SUPER AGERS bookImage
President Trump takes 325 mg aspirin/day. The randomized trials tested 75-81 mg/day. His doctors recommended low-dose aspirin for heart event prevention. That recommendation is ill-founded based upon best evidence in older individuals.
nejm.org/doi/full/10.10…
academic.oup.com/eurheartj/arti…Image
Aspirin dosing information
wsj.com/us-news/as-sig…
Read 4 tweets
Eric Topol Profile picture
Aug 14, 2025
As I wrote in SUPER AGERS, the immune system is the key to modulating our aging process and the opportunity to extend healthspan. Today @NatureAging 7 new articles, summarized here, that reinforce its central role
nature.com/articles/s4358…Image
Inflammaging: with aging comes untoward inflammation, a summary graphic
nature.com/articles/s4358…Image
The potential consequences of too youthful immune system in an older person —> autoimmunity
nature.com/articles/s4358…Image
Read 5 tweets
Eric Topol Profile picture
Aug 7, 2025
The new special issue @ScienceMagazine features Immunity with 4 outstanding review papers, 5★
Our immune system over the lifespan, sex differences, influence on physiology, and host antiviral defenses science.org/toc/science/cu…Image
Our immune system as we age: the path to immunosenesence and inflammaging
science.org/doi/10.1126/sc…Image
Sex differences science.org/doi/10.1126/sc…Image
Read 5 tweets
Eric Topol Profile picture
Jun 8, 2025
We've learned a lot more about the principal drivers of age-related diseases in the past few weeks. And that leads to a unified model to pull it all together. (open-access) Image
I review 4 new reports, summarized here:
1. The proteins from senescent cells predict age-related clinical outcomes
2. A new epigenetic age clock connects the dots between aging, the immune system, inflammation and lifestyle factors
3. People with a fast pace of aging had an increased risk of cognitive impairment, age-related diseases, disability, and mortality
4. The Importance of “Immune Resilience” for Healthspan
And present a unified I/I model for what we now know Image
Read 4 tweets
Eric Topol Profile picture
Apr 13, 2025
Most people haven’t heard of this test, which is available in the US. It accurately predicts Alzheimer’s (not just if there’s a risk, but when). It is favorably affected by exercise and likely many other lifestyle factors.
Here’s (almost) everything we know about it. In Ground Truths (link in my profile d/t X-suppression)Image
Here's the response to exercise Image
The most sensitive and accurate biomarker to date Image
Read 5 tweets

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