Brandon Luu, MD
@BrandonLuuMD · view on X ↗
Internal Medicine MD Writing about science worth applying to your life 📩 BrandonLuuMD@proton.me
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- 2 threads on ThreadOut
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Every thread by Brandon Luu, MD that readers unrolled on ThreadOut.
- Dec 31, 2025
Someone just coughed on you. You were on a crowded flight. Now your coworker is sick. The window to prevent infection is narrow. Here’s exactly what to do in the critical hours after a high-risk exp...
SummaryA comprehensive guide to preventing respiratory virus infection after high-risk exposure, featuring evidence-based interventions like green tea gargling, saline nasal irrigation, iota-carrageenan nasal spray, improved sleep, and avoiding face touching. The critical window is narrow—act within hours of exposure for best results, as most interventions are most effective when started immediately and continued for 3-5 days.13 tweets2 min read - Dec 16, 2025
Circadian rhythm dysfunction is highly prevalent in ADHD Up to ~75% of patients have delayed sleep and wake timing, and shifting the clock earlier is linked to symptom improvement I just published a...
SummaryA new paper reveals that up to 75% of ADHD patients have circadian rhythm dysfunction with delayed sleep/wake cycles, and targeted interventions like bright light therapy and low-dose melatonin can advance sleep timing and reduce ADHD symptoms. Combined approaches show the largest effects, advancing circadian rhythms by approximately 2 hours in adults.13 tweets2 min read