Brandon Luu, MD
@BrandonLuuMD
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Internal Medicine Doctor | Respirology Fellow Runner • Weightlifter • Circadian Health & Performance Medicine 📩 [email protected]
Toronto, Ontario
Joined May 2019
12 weeks of HIIT (just 1 min intense exercise/session, 10 min total) improved insulin sensitivity, VO₂max, and mitochondrial performance equally to 50 min moderate cycling, despite 5x less exercise volume All it takes is 10 minutes, 3 times a week, for massive fitness gains
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Common medications can alter the gut microbiome for years even after stopping them New study: Effects detectable years later for antibiotics, antidepressants, PPIs, beta-blockers The more prescriptions filled, the stronger the microbiome changes, and the effects were additive
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Politically extreme individuals (whether far left or far right) show similar brain patterns when viewing political content
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Walking while working burns ~191 calories/hour (compared to 72 sitting) That's 160% more energy expenditure for the same work time And in some cases you even get a cognitive boost while walking and working
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Want to eat less? Drink 500 mL of water 30 minutes before meals In this study, it reduced intake by 74 calories (13%) per meal
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Men with refractory depression and low testosterone experienced a significant improvement in their depressive symptoms when testosterone gel was added to their antidepressant
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A more useful takeaway from this graph is that 30 minutes of hard exercise daily is better than any amount of moderate exercise at reducing mortality.
The majority of exercise's benefits are gained in the first few minutes you do Just 15 minutes of moderate daily exercise is linked to a 14% reduction in mortality
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The majority of exercise's benefits are gained in the first few minutes you do Just 15 minutes of moderate daily exercise is linked to a 14% reduction in mortality
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1/ BIG NEWS: SHx Bridge This week, Stronghold is bridging SHx between the @StellarOrg and @ethereum networks using @axelar's secure interoperability protocol, unlocking seamless cross-chain movement. 🌉
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Genetics might be more important for supplements than we thought New RCT: Magnesium increased vitamin D-synthesizing bacteria only in people with normal TRPM7 genes But those with TRPM7 variants saw decreased levels instead
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Holding eye contact too long during conversation may actually reduce engagement. In 47 pairs, shared attention peaked the moment eye contact began, then steadily declined while maintaining the gaze. Synchrony only began recovering once eye contact broke.
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The sheer number of significant world leaders gathering shows how big a deal this is. Everybody wanted their name attached to it, creating an extraordinary scene.
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Observational data used to suggest light alcohol use was protective of dementia New data shows the opposite: dementia risk increases with every drink There is no safe amount of alcohol
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