Brandon Luu, MD Profile picture
Jul 15 9 tweets 3 min read Read on X
I’ve worked countless 26-hour shifts. Zero sleep. No room for error.

I joined @InVivoPodOnX to break down the protocols I developed to keep my brain sharp.

Here’s the science behind creatine, nicotine, binaural beats, and circadian alignment 🧵 1/9 Image
Creatine isn't just for the gym. Under stress, it boosts brain energy by regenerating ATP.

21-hour sleep deprivation study: A single high dose (0.35 g/kg) restored several cognitive tests to baseline (or even better)

👉 I take 10g/day regularly /2 Image
Image
Nicotine is mildly cognitively enhancing, improving attention in humans.

In mice, it reverses learning deficits from severe sleep-deprivation up to 48 hours (figure below).

But it's addictive, may raise HR/BP, and human studies are lacking. I use cautiously (gum only) /3 Image
Image
🎧 Binaural beats (different tones in each ear) entrain your brainwaves:
• 20 Hz boosted long-term memory recall by ~30%
• 14 Hz preserved attention under stress (+3.8%), whereas control groups dropped -30% /4 Image
🏃 Aerobic exercise is your strongest defense against fatigue-related cognitive decline.
Stabilizes:
• Mood
• Insulin sensitivity
• Cognitive performance
Even short bouts of movement can protect your brain when sleep falls short. Image
When sleep deprived, morning bright light is a performance enhancer.

The sun is your best friend. /6 Image
👉 Night owls improve strength, cognition & mood significantly in just weeks following these tips:
• Get bright AM sunlight ☀️
• Limit screens at night 📵
• Eat earlier 🥗
• Avoid late caffeine or naps ☕️ /7
📌 My Personal Protocol
• Creatine: 10g/day
• Binaural Beats: 14 Hz (attention), 20 Hz (memory)
• Daily aerobic exercise
• Circadian alignment (early meals, AM sunlight, reduced screens at night)
• Nicotine: rarely, gum only (still experimental) /8
🎙 Big thanks to Tim for the incredible conversation. Check out the full video here:

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More from @BrandonLuuMD

Jun 28
Circadian biology may be the next frontier in cancer care.

Patients with lung cancer who got chemo-immunotherapy before 11:30 AM had:
📉 53% lower risk of death
📆 Median overall survival: 33 vs. 19.5 months
📈 Improved treatment response

Let’s break it down 🧵1/7Image
Your body runs on a clock.
Cortisol, insulin, immune cells all peak at certain times.
Yet most cancer therapy is scheduled without considering circadian rhythms. That’s a problem, especially for immunotherapy, which depends on immune activation /2 Image
Researchers analyzed patients from France & China with advanced NSCLC.
They grouped them by the median time of their first 4 infusions:
🕗 Before 11:30 AM
🕛 After 11:30 AM
Same treatment, different timing, very different outcomes /3 Image
Read 7 tweets
May 23
A warm shower before bed might be the simplest, most underrated hack for better sleep.

Here's the evidence-based protocol I swear by (and why it works) 🧵1/7 Image
Why warmth if your body prefers cooler temperatures for sleep?
Your body signals sleep readiness by naturally lowering core temperature in the evening. A warm shower speeds this cooling afterward by increasing peripheral blood flow /2 Image
Want a deep dive into sleep optimization and other simple, science-backed health tips?
See the full article here:
open.substack.com/pub/brandonluu…
Read 7 tweets
May 16
Psyllium husk is boring, cheap, and criminally underrated.

I take it daily because it significantly improves:
🩸 Blood sugar
⚖️ Hunger and weight
🔥 Cholesterol and blood pressure

Here’s why you probably shouldn’t ignore it 🧵 1/8 Image
Psyllium significantly improves blood sugar control and weight in diabetics. In a randomized trial, type 2 diabetes patients taking ~10g/day for 8 weeks saw:
Fasting glucose: ↓ 44 mg/dL
HbA1c: ↓ from 8.5% to 7.5%
Insulin sensitivity: ↓ by almost half
Body weight: ↓ ~3 kg /2 Image
FYI, for the full article, references, and weekly evidence-based protocols to optimize your health /3
open.substack.com/pub/brandonluu…
Read 8 tweets
May 9
Nature isn’t just enjoyable, it’s medicine.

Forest bathing (Shinrin-yoku) has been shown to:
✔️ Boost immunity
✔️ Lower stress
✔️ Reduce blood pressure
✔️ Improve mood

Here's the science of how nature transforms your health 🧵1/8 Image
In a Japanese study, 3 days of forest bathing increased Natural Killer cell activity by ~50% and enhanced potential anti-cancer proteins like perforin and granulysin. Benefits lasted a full week after returning to city life /2 Image
FYI, for the full article, references, and weekly evidence-based protocols to optimize your health

/3brandonluumd.substack.com/p/a-prescripti…
Read 8 tweets
Apr 30
Aligning eating with your body's circadian rhythm boosts metabolism, controls hunger, and enhances weight loss.

Here's the fascinating science behind how to eat with your body’s clock 🧵 1/9 Image
Big breakfast vs. big dinner matters. Identical 1400 kcal diets for 12 wks, different timing:
-Breakfast-heavy group lost 2.5x more weight (8.7 kg vs. 3.6 kg)
-Better insulin sensitivity (-51% vs. -29%) and triglycerides (-34% vs. +15%) /2
Same calories, different timing, huge impact. Controlled study:
-Late eaters had 2x greater odds of hunder, burned 5% fewer calories
-Leptin (fullness hormone) dropped 16%
-Early eaters burned more, stored less /3
Read 10 tweets
Apr 24
If you want to focus, keep your phone out of sight and out of reach.

Even if it’s silent and turned off, just having it nearby quietly drains your attention.

Here’s why it happens—and what to do about it 🧵 1/8 Image
FYI for the full article, data, protocols, and research, I share free weekly deep dives here:
brandonluumd.substack.com/p/why-i-work-w…
Recent studies reveal something surprising:
Your brain subconsciously spends mental energy ignoring your phone when it is nearby— impairing memory and reducing cognitive performance /2 Image
Read 9 tweets

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