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Jan 15 • 10 tweets • 3 min read
Recent research shows blood from people with ME/CFS and Long COVID directly harms healthy muscle, reducing force, stressing mitochondria, and causing structural breakdown. Results implicate blood-borne drivers of muscle weakness, exertion intolerance, and PEM, and introduce a non-invasive lab model that mirrors push-crash dynamics.
A new RECOVER study of 6.4M health records shows Long COVID risk has not decreased from 2020–2024. Incidence stayed stable across variants, reinforcing Long COVID as an ongoing public health priority.
Read the study: doi.org/10.1093/cid/ci…
Aug 1, 2025 • 6 tweets • 3 min read
A new study by @moriahphd et.al. finds that babies whose mothers had COVID-19 during pregnancy are at increased risk of developmental delays.
Cognitive, communication, and motor delays were linked to changes in cytokines and chemokines found in umbilical cord blood—pointing to possible biomarkers for early intervention.
COVID-19 during pregnancy may have significant negative implications for child development.
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A new NIH RECOVER study followed hundreds of children under 6 and found that up to 15% met criteria for probable Long COVID—many with symptoms lasting over a year.
Distinct symptom patterns were seen by age group. Poor appetite, chronic cough, sleep issues, and fatigue were strongly linked to prior COVID-19 infection.
The authors estimate nearly 6 million U.S. children may be affected by Long COVID — surpassing Asthma as the most common chronic condition in kids today.
If you think your child may be showing signs of Long COVID, @JAMANetwork Pediatrics created a resource to help you prepare: 🔗 jamanetwork.com/journals/jamap…
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A new study suggests that exercise doesn’t clear microclots in people with Long COVID—it just fragments them into smaller ones. These smaller clots are linked to increased inflammation and impaired oxygen transport, which may help explain post-exertional malaise (PEM) and post-exertional symptom exacerbation (PESE)—a worsening of symptoms after even mild physical or mental effort.
Researchers observed these microclot and inflammatory changes even after submaximal exertion, highlighting the need for caution when recommending exercise-based therapies.
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A new study from New Zealand found that over one-third of university students experienced measurable cognitive deficits—especially in executive function—up to 17 months after COVID-19 infection.
Even in a young, healthy population, the impacts on brain function were objectively detectable using neuropsych testing and brain oxygenation data.
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New research shows SARS-CoV-2 infection particles can persist in semen for up to 8 months after infection, raising critical questions about viral reservoirs and potential sexual transmission. The virus remained detectable in over half the study participants and was confirmed as infectious through cell culture. While decreased sperm quality showed signs of recovery by 6 months, the implications of viral persistence in the male genital tract remain under investigation.
This study adds to growing evidence that the male reproductive system may serve as an immune privileged site for virus reservoirs, similar to findings in Post-Ebola Syndrome.
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Even Olympic athletes aren’t bouncing back from COVID.
A new study out of Germany found that nearly 40% of elite athletes across several sports had reduced performance lasting >4 months after acute COVID-19. This was despite the majority having mild acute infections and none of the athletes having pre-existing health conditions.
Fatigue, shortness of breath, and pain were common, persisting symptoms, indicating a need to change current return-to-play protocols for athletes.
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We’re excited to announce RTHM Direct is now offering Ivabradine. We’ve seen this medication make a significant difference for patients with #LongCovid, #POTS, & #MECFS — and are excited to expand its access. Here’s everything you need to know 👇🧵
What Is Ivabradine?
It is an FDA-approved medication designed to reduce heart rate without affecting blood pressure that works by slowing the activity of the “pacemaker cells” in the heart. It specifically reduces heart rate without lowering blood pressure.
Dec 13, 2024 • 6 tweets • 2 min read
Is #LongCovid a national security issue?
The CHARM 2.0 study conducted reveals striking findings about Long COVID’s impact on even the fittest among us. Among 899 young, healthy Marines, nearly 25% developed Long COVID, with lasting effects on productivity, physical fitness, and overall performance—despite most having mild initial infections.
Swipe to learn more about this pivotal study and why Long COVID must remain a public health priority.
