Luis A. Vegas Vicentini (@lavvspan) header
Luis A. Vegas Vicentini (@lavvspan) profile picture

I empower individuals with evidence-based nutrition, lifestyle, strength, and endurance coaching to optimize healthspan and lifespan. Metabolic Health Coach.

Joined October 2021
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Luis A. Vegas Vicentini retweeted
Everyone talks about cutting sodium. Almost nobody talks about adding potassium. The evidence says the latter may be just as important, if not more. A WHO-commissioned meta-analysis pulled together 22 randomized trials and 1,606 participants. The headline number: in adults with high blood pressure, increasing potassium intake dropped systolic blood pressure by an average of 3.5 mmHg. In the subset of studies where intake reached 90 to 120 mmol per day (about 3,500 to 4,700 mg), the drop was 7.2 mmHg. Important caveat the meta-analysis flagged: this effect was only seen in people with hypertension. In normotensive adults, the BP change was not statistically significant. The same paper also notes there was no clean dose-response relationship established between the two effect sizes, since there were only two data points rather than a smooth curve. The mechanism is straightforward. Potassium does two things at once. It signals the kidney to excrete more sodium in urine by inhibiting a sodium reabsorption channel called NCC in the distal tubule. It also relaxes vascular smooth muscle directly by opening potassium channels in the arterial wall, which hyperpolarizes the muscle cells and reduces vascular tone. One ion works through two separate mechanisms. The stroke data is even more compelling. Across 11 cohort studies and 127,038 adults, higher potassium intake tracked with a 24% lower risk of stroke. That is association data, not RCT-grade causation, but it lines up with what the trials show for blood pressure. Now the intake gap. The 2019 National Academies set adequate intake at 2,600 mg per day for women and 3,400 mg for men. NHANES data puts the US adult average somewhere around 2,300 mg. Most people are below target, and the gap is bigger for women in absolute terms. Closing it is not complicated. One banana delivers about 420 mg. One baked potato with skin gives you 925 mg. One cup of cooked spinach is 840 mg. One cup of white beans is 1,190 mg. Adding one of those to an average day gets most adults into the target range. Cutting sodium is fine if you do it. Adding potassium does something on its own. Aburto et al., BMJ 2013 NIH Office of Dietary Supplements, 2024 USDA FoodData Central
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For US voters, think about how big the Democrats won yesterday (about 13 points nationally). Venezuela's opposition won their 2024 election by a margin about 3x larger than that. Then it was stolen. That's why Venezuelans remain angry and frustrated with the dictatorship there.
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Racism, trickle-down economics, autocracy, ignorance, hate, grift, corruption, moral flexibility, lies, extremism, cultism, bullying, and treason have been rebuked by the vast majority of Americans. Congratulations on taking your country back from the few, the corrupt and the connected! Let this be the foundation for constructing a new, better America: A nation defined by fairness, driven by innovation, taxed equitably, and dedicated to giving every individual, regardless of ethnicity or social standing, the exact same power and tools to thrive. LAVV
The 2026 midterm elections didn't just determine who controls Congress for the next two years—they also determine whether the United States, 250 years after its founding, remains a democracy, @anneapplebaum says. She explores what citizens and lawmakers can do next to strengthen the institutions and values that have been threatened in the Trump era.
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Luis A. Vegas Vicentini retweeted
This systematic review and meta-analysis finds that higher fish intake may be concomitant with lower all-cause and cardiovascular disease mortality, even within populations with high habitual fish intake.
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Money only exists in our collective imagination as a fiction made from words. We can make more money and we can make less money, but we cannot buy more time. Watch the whole talk here: bit.ly/YNH-LF
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Luis A. Vegas Vicentini retweeted
Music is a longevity therapy > lowers heart rate > lowers blood pressure > lowers cortisol > lowers anxiety and restlessness Protocol: a song you love. 104 randomized trials 9,617 people
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What a new heart study tells us about plaque, and whether it can shrink For a long time the working assumption in cardiology was that the plaque lining our coronary arteries, once built, could be slowed but not undone. A study published this week in JAMA Cardiology, drawn from a Danish trial called FLOWPROMOTE, offers a more hopeful picture, and it is worth understanding what it actually found. The researchers followed 104 adults, mostly men in their mid-sixties, who had just been diagnosed with stable coronary artery disease and had never taken a cholesterol-lowering medication. Each of them received detailed CT scans of their heart arteries at the start, again at nine months, and again at eighteen. Half were given a strong statin on its own, atorvastatin 40 mg. The other half received a more aggressive combination, rosuvastatin 40 mg together with ezetimibe, a second drug that blocks cholesterol absorption in the gut. The difference in blood results was striking. The statin-only group brought their LDL cholesterol, the fraction most tied to arterial disease, down by about 38 percent, to roughly 70 mg/dL. The combination group brought it down by about 65 percent, landing near 42 mg/dL. These are low numbers by any standard. What matters most is what the scans showed. In both groups the total volume of plaque in the arteries shrank over eighteen months, and the soft, uncalcified kind of plaque, the type most prone to rupture and cause a heart attack, shrank the most. But the group with the lower LDL saw clearly more regression: total plaque fell by about 21 percent compared with roughly 14 percent, and soft plaque fell by about 28 percent compared with 20 percent. Nearly every patient on the combination therapy, 98 percent of them, showed some shrinkage of soft plaque. The relationship was close to a straight line: the lower the LDL achieved, the more the plaque receded. Calcified plaque, the hardened kind, grew slightly in both groups, which researchers generally read as the arteries stabilizing rather than worsening. A few things deserve honest caution. This was a small trial, and plaque volume was a secondary measure rather than its main question. Eighteen months is a meaningful window but not a lifetime, and the study did not follow people long enough to count heart attacks or deaths, so it shows arteries changing on a scan rather than proving fewer events. The participants were overwhelmingly male and all had established disease, so the findings speak most directly to people in that situation, not to everyone concerned about prevention. Still, the direction is encouraging and consistent with what earlier, smaller imaging studies had hinted. Coronary plaque is not a one-way street. When LDL is driven low enough and kept there, the arteries appear able, at least in part, to clear some of what has accumulated. For anyone already living with a diagnosis, this is a reason to take lipid management seriously and to have a frank conversation with their cardiologist about how low their own target should be. LAVV Source: Mortensen MB et al., JAMA Cardiology, published online October 30, 2026, doi:10.1001/jamacardio.2026.4788. If you would like this as a shareable doc or a Spanish version, say so and I will prepare it.
Intensive vs More Intensive Lipid-Lowering Therapy and Plaque Regression in Statin-Naive Patients More intensive lipid-lowering therapy was associated with significantly greater regression of total and noncalcified coronary plaque burden compared with intensive therapy. The extent of plaque regression was related to achieved LDL-C levels, supporting the potential for partial reversal of coronary atherosclerosis with intensive lipid reduction. jamanetwork.com/journals/jam…
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I place a high priority on educating clients about gut microbiota and the vital role of gut health. A balanced microbiome supports a healthy symbiotic relationship between the gut and the enteric nervous system...a foundational driver of metabolic health and long-term lifespan.
Almost all of your gut bacteria live in one place: your colon. Your stomach holds about 10 to 1,000 bacteria per mL. Your colon holds about 100 billion to 1 trillion per mL. That is roughly a billion times more. Stomach acid keeps the stomach nearly empty of bacteria. In the small intestine, bile and fast movement keep numbers low. Things slow down near the end of the small intestine, and the colon is where bacteria really pile up. That sparse upper gut is a feature. When bacteria grow too thick in the small intestine, that is the problem doctors call SIBO. What this means for you: "feeding your gut" really means feeding your colon. Fiber, resistant starch (such as cooled potatoes or rice and green bananas), and plant foods like beans, berries and oats are what make it that far. Limits: these counts are broad estimates from many studies, and they vary from person to person.
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Luis A. Vegas Vicentini retweeted
Muscles talk to the brain to delay neurodegeneration. The gym bros were right.
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Luis A. Vegas Vicentini retweeted
Why does almost everyone wake up around 3 a.m.? @thesleepdoctor says it comes down to body temperature: "Every human on earth wakes up." "Not all of them have to pee, though."
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Luis A. Vegas Vicentini retweeted
Four weeks of wall squats reduced systolic blood pressure by nearly 10 points in adults with high blood pressure. Researchers then compared continuing three sessions weekly with reducing to two, one, or none for another month. Systolic pressure remained roughly 7 mmHg below starting levels in the once- and twice-weekly groups. Continuing three sessions weekly produced the greatest reduction of about 14 mmHg. In those who stopped completely, blood pressure moved back toward baseline. This fits with a previous analysis of randomized trials that identified isometric exercise, which involves holding a muscle contraction, as an effective way to lower resting blood pressure. What interests me is the practical question - how much of an exercise benefit can we preserve when we temporarily have less time? This study suggests that reducing the frequency can retain part of the benefit for up to a month.
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👏👏👏👏👏👏👏👏👏👏👏👏
Trump Phone Durability Test - Its worse than we thought...
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Luis A. Vegas Vicentini retweeted
Elon Musk can whine and threaten me all he wants, but I'm still going to call out his bullying and abuse of power.
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Luis A. Vegas Vicentini retweeted
We are facing a crisis of impunity. That's why we built The Rule of Law Project — to investigate unlawful conduct by federal officials, and work with state and local prosecutors to hold them to account. Watch former DOJ prosecutor Mark Blumberg and human rights leader Brad Adams launch this critical accountability initiative on MSNOW with Nicolle Wallace.
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Calling Type 2 diabetes “100% genetic” defies foundational metabolic science and meta-analytic evidence. Twin and polygenic risk score data consistently demonstrate a complex gene-environment interaction, with lifestyle drivers being the primary determinant of phenotypic expression. If it were 100% genetic, monozygotic concordance would be absolute…yet large epidemiological cohorts tracked by the International Diabetes Federation and the European Association for the Study of Diabetes prove otherwise. Stop propagating absolutes that distort modern etiology.
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Protein is elemental for life.
People with kidney disease who are the least protein were twice as likely to die. Protein leaves behind waste that the kidneys have to clear, so people with kidney disease have long been told to eat less of it. The trial evidence is less clear-cut than that advice. A 2020 review of 17 trials found that moderately low-protein diets made little or no difference to kidney failure, while very-low-protein diets followed closely with a medical team probably delayed dialysis in people with advanced disease. Current international guidelines suggest 0.8 grams per kilogram for later-stage kidney disease, the same amount suggested for the general public. Those trials were short and closely supervised, so they could not show what happens when people cut back on their own for years. The new study measured how much protein people actually ate using a 24-hour urine test rather than food diaries, and followed them for about nine years. For a 150-lb adult, the lowest group ate less than about 41 grams of protein a day, and the highest group more than about 82 grams. 1. Nearly half of the lowest-protein group (46%) ended up needing dialysis or a transplant, compared with a quarter (25%) of the highest group, and after accounting for how sick people were at the start, the risk was still 42% higher. 2. During follow-up, 17% of the lowest group died compared with 9% of the highest, about twice the risk after adjustment, while heart attacks and strokes did not differ. 3. The results held when the researchers set aside people who were already close to kidney failure or showed signs of malnutrition at the start. Taken together, eating very little protein without guidance did not protect these kidneys and went along with worse outcomes. The authors think the reason is lost muscle and poorer nutrition, which may matter most in people with smaller frames and less muscle to spare. That does not mean more protein is always better, since the middle groups showed smaller and mostly uncertain differences. For anyone with kidney disease who has been cutting protein on their own, the finding is a reason to review the plan with a kidney specialist or renal dietitian rather than to change it alone. This was an observational study. People who ate the least protein were also sicker at the start, with weaker kidney function and more diabetes, so part of the gap may reflect illness rather than diet. Total calories were not measured, protein intake was checked only once, everyone was Korean, and the study began before newer kidney-protecting drugs were in wide use. References Suh SH et al., JAMA Network Open, 2026 Hahn D et al., Cochrane Database of Systematic Reviews, 2020 KDIGO CKD Work Group, Kidney International, 2024
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Your HOMA-IR is nothing more than a 7:00 AM snapshot of your liver at rest, so avoid reading it like a life sentence. Most men get a 2.4 back, panic, and immediately strip away every carbohydrate in sight. That isn't a sound strategy...thats just reactionary and it misses the biological reality of what’s happening inside your body. Here is the truth about the math, the metabolic machinery and why you don't need to fear real food: 1. It measures your liver at rest, not your capacity to burn carbs.HOMA-IR measures how much fasting insulin your liver requires to keep overnight glucose stable. It gives you insight into resting hepatic gluconeogenesis, but it tells you almost nothing about how efficiently your muscle mitochondria handle clean fuel after a workout. 2. Biological noise lies.A single HOMA-IR draw can swing by roughly 32% day-to-day. Poor sleep quality, elevated morning cortisol, or simple lab variance can falsely make a healthy, high-performing man look insulin resistant on a single morning. 3. Cutting carbs hides the signal and it doesn't fix the engine. Eliminating carbohydrates drops fasting insulin, so your score looks "better" on paper. But turning off the smoke alarm doesn't put out the fire. Extreme restriction often induces adaptive insulin resistance, elevates stress hormones, and impairs thyroid conversion (free T3) compromising your energy, recovery and long-term metabolic elasticity. 4. The reference targets: • Under 1.0: Optimal metabolic efficiency. • 1.0 – 2.0: The gray zone, time to look closer at the variables. • Over 2.0: An underlying driver exists, identify the mechanism, please don't guess. How to audit your data before making radical changes: • Standardize: 10–12 hr fast, draw between 7–9 AM, no heavy training or alcohol for 48 hrs, and prioritized sleep. • Cross-examine: Pair it with C-peptide, TG/HDL ratio, hsCRP, and Fructosamine. • Test real-world clearance: Run a home glucose curve with 75g of clean carbs (finger-prick at 0, 30, 60, 90, and 120 mins). You want to see efficient clearance back to baseline within two hours. Mastering your metabolic health isn't about fear or extreme elimination, it is really about objective data, understanding the underlying mechanism and building a resilient, adaptable biological system. So go ahead and test with precision, identify the true bottleneck and humbly aim to fix the root cause. LAVV
🤖 Made with AI
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Luis A. Vegas Vicentini retweeted
Just published @TheLancet Declaring climate change as a global health emergency And what needs to be done about it thelancet.com/journals/lance…
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Luis A. Vegas Vicentini retweeted
Is high LDL cholesterol (or apoB) harmful ONLY with poor metabolic health, characterized by low HDLc? New study from preeminent lipidologist Sniderman: "when HDL-C is high ... effect of changing apoB vanishes" PS: A low-carb diet potently increases HDLc academic.oup.com/eurjpc/adva…
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