Good news for coffee lovers! The American Heart Association (AHA) released a comprehensive Scientific Statement on caffeine and cardiovascular disease. Here is what the latest science shows about your daily brew:

The Good News

Moderate Intake is Safe & Protective: Drinking 3–5 cups of coffee per day (up to 400 mg of caffeine) is safe for most adults and is associated with a lower risk of key cardiovascular issues, including:

            Heart failure

            Coronary artery disease

            Stroke

            Type 2 diabetes

Atrial Fibrillation (AFib): Contrary to old myths, regular caffeinated coffee consumption is associated with a lower risk of developing AFib.

The Nuances (Context Matters!)

Filtered vs. Unfiltered: Unfiltered coffee (such as French press, espresso, or Turkish coffee) contains cafestol, a compound that can raise LDL (“bad”) cholesterol. Paper-filtered coffee traps cafestol, leaving your cholesterol levels unaffected!

Short-Term vs. Long-Term: While caffeine can cause small, temporary increases in blood pressure or heart rate, long-term moderate intake is generally neutral or beneficial for overall blood pressure. 

Heart Rhythm Extra Beats: Controlled trials show caffeine might slightly increase premature ventricular contractions (PVCs/extra heartbeats) in some individuals, even though it lowers overall AFib risk.

The Warnings

            Energy Drinks & High Doses: The benefits of natural, brewed coffee or tea do not apply to energy drinks or high-dose synthetic caffeine powders or supplements. High concentrations (especially when paired with additives like taurine) can cause significant blood pressure spikes and cardiac harm.

            Watch the Additives: Loaded coffees, packed with heavy syrups, creams, and sugars, counteract the natural health benefits of coffee.

The Takeaway

Habitual, moderate coffee drinking can comfortably fit into a healthy lifestyle! Just keep an eye on how much sugar you add, stick mostly to paper-filtered coffee if you’re managing cholesterol, and skip high-dose energy drinks.

Source: Caffeine and Cardiovascular Disease: A Scientific Statement From the American Heart Association (Circulation, 2026)

#HeartHealth #Cardiology #CoffeeScience #AmericanHeartAssociation #NutritionResearch #PreventiveCardiology #Wellness

Can we reverse molecular aging? For years, scientists believed that certain age-related protein damage was permanent. A groundbreaking new study published in Nature Communications suggests we might finally be able to repair it.

The Problem: “Chemical Aging”

As we age, sugars and reactive molecules react non-enzymatically with long-lived proteins in our bodies (such as collagen in skin and blood vessels). This creates permanent damage known as Advanced Glycation End Products (AGEs).

• One of the most common and damaging AGEs is CML (-carboxymethyl-lysine).
• The impact: CML stiffens tissues, disrupts normal protein function, and triggers chronic inflammation and oxidative stress.
• The challenge: Until now, CML damage was considered completely irreversible once formed.

The Solution: Engineering “CMLase”

Researchers at Revel Pharmaceuticals, Calico Life Sciences, and the University of Colorado engineered a novel enzyme, CMLase, through directed evolution (screening more than 500 million variants!).

CMLase acts like a precision molecular tool: it specifically targets and clips away the CML modification, restoring the protein to its native, healthy state.

Key Highlights & Results

• Works across diverse proteins: In laboratory testing, CMLase successfully removed CML damage from key structural and transport proteins, including collagen, hemoglobin, casein, and eye extracts.
• Repairs aged human tissues:
  • Aged Lens: Reduced CML content in human lens proteins from a 64-year-old donor by up to 78%.
  • Arterial Walls: Cleared over 70% of accumulated CML from 75-year-old donor human arterial tissue.
  • Skin: Reduced CML levels in elderly human skin by over 55%, lowering them below those found in 31-year-old tissue!

Why This Matters

This study offers crucial proof-of-concept: molecular damage once thought to be a permanent hallmark of aging can be actively erased and repaired by engineered enzymes.

While more research is needed to assess tissue penetration and clinical safety in living models, CMLase paves the way for an entirely new class of regenerative therapeutics targeting age-related and diabetic complications.

Paper Title: Reversal of protein chemical aging by enzymatic deglycation

Journal: Nature Communications (2026)

#Longevity #Biotech #AntiAging #ProteinRepair #TranslationalMedicine #Biochemistry #HealthSpan

New research in Nature Genetics just dropped the most detailed map ever of how our “biological clocks”—leukocyte telomere length (LTL)—vary across the US!

https://doi.org/10.1038/s41588-026-02567-1

Geography Matters: Significantly longer telomeres were found in the West Coast and Central Midwest, while shorter telomeres clustered in the Southeast.

Health Links: Shorter telomeres were linked to higher risks of hypertension, diabetes, and heart failure, while longer telomeres showed associations with certain neoplasms.

This study highlights that biological aging isn’t just about the years—it’s a complex mix of your DNA, your sex, and even your ZIP code.

At DFM, we will continue to evaluate patients’ hsCRP for inflammatory burden, fasting insulin for metabolic health, and a CBC to assess their white blood cell population.

Lipoprotein(a), or Lp(a), has long been considered a “genetically determined” cardiovascular risk factor that remains stable throughout a person’s life. However, a striking new $n=1$ study published in BMJ Nutrition, Prevention & Health suggests we might have more control than we thought.

The Experiment:

A 55-year-old physician with a history of very high Lp(a) (peaking at 108 mg/dL) switched to a very-low-carb ketogenic diet (VLCKD).

The Results:

On Keto: His Lp(a) levels dropped significantly to 65–70 mg/dL.

The Reversal:

When he switched back to a high-carb diet for 2 weeks, his Lp(a) spiked back up to 101 mg/dL.

The Return:

After returning to the ketogenic diet for 3 weeks, his levels dropped again to 74 mg/dL.

Why it matters:

High Lp(a) affects roughly 20-30% of the population and is a major risk factor for heart disease. While this is a single-case study, it opens the door to further research on how dietary carbohydrate intake might influence this “unchangeable” genetic marker.

https://pmc.ncbi.nlm.nih.gov/articles/PMC7841845

#HeartHealth #KetoDiet #Lpa #Cardiology #MedicalResearch #NutritionScience

For years, the medical community has debated whether daily low-dose aspirin is a “life-saver” or a “risk factor” for primary prevention of heart disease. While it can prevent heart attacks, it also carries a significant risk of serious internal bleeding.

At DeSimone Functional Medicine, we don’t believe in “one-size-fits-all” medicine. A new study published in the American Journal of Preventive Cardiology suggests that the answer to the aspirin question may be found in your DNA—specifically the LP(a) gene.

The Precision Medicine Advantage:

• The Genetic Marker: A specific variant (rs3798220) in the LP(a) gene can increase your baseline risk of heart disease by more than two-fold.
• The Discovery: For those who carry this variant, daily low-dose aspirin is highly effective, reducing their elevated risk back to the level of a person without the variant.
• The “NNT” Difference: In patients with this gene, the “Number Needed to Treat” (NNT) to prevent one major event is as low as 34—making it as effective as many high-powered cholesterol-lowering medications.
• The Decision: For those without the gene, the benefits are much smaller, and the risk of bleeding may outweigh the potential reward.

One Test, One Lifetime. This simple genetic test costs roughly $25–$50 and needs to be performed only once in your life to provide lifelong clarity. It is an essential tool for identifying root-cause risks and moving beyond reactive care.

Are you taking aspirin? Let’s make sure it’s actually working for you.

#FunctionalMedicine #PrecisionMedicine #HeartHealth #Lp(a) #Genetics #DeSimoneFunctionalMedicine #AspirinConundrum

A groundbreaking 2025 Scientific Statement from the American College of Cardiology (ACC) has just changed the way we think about heart health. For decades, we’ve focused on “bad” cholesterol (LDL), but we now know that’s only half the story.

The new culprit taking center stage? Chronic, low-grade inflammation.

The Big Discovery

Research now shows that even if your cholesterol is perfectly normal, you could still be at high risk for a heart attack or stroke if your inflammation levels are high.

In fact, for people already taking statins, high-sensitivity C-reactive protein (hsCRP)—the primary marker for inflammation—is often a stronger predictor of future heart events than cholesterol levels.

The study recommends universal screening of hsCRP alongside your regular cholesterol panel.

Lower Risk: hsCRP < 1 mg/L.

Average Risk: hsCRP 1 to 3 mg/L.

Higher Risk: hsCRP > 3 mg/L.

3 Ways to Fight Back:

The good news? Inflammation is “actionable.” You can lower your risk through these proven steps:

1. Anti-Inflammatory Diet: Switch to the Mediterranean or DASH diet. Focus on fruits, vegetables, nuts, olive oil, and fatty fish (such as salmon), which are high in Omega-3s.

2. Move Your Body: Aim for at least 150 minutes of moderate exercise per week. This helps clear inflammatory markers from your system.

3. Medical Breakthroughs: For those with stable heart disease, the FDA has approved low-dose colchicine (an inexpensive anti-inflammatory) to help prevent recurrent events.

The Bottom line:

The time for taking action has now arrived”. Don’t just ask your doctor about your cholesterol—ask about your hsCRP levels too.

https://www.jacc.org/doi/10.1016/j.jacc.2025.08.047

https://journals.sagepub.com/doi/10.1177/09637214251380214

Interesting paper:

Is your stress actually “draining your batteries” at a cellular level?

We all know from high school biology: “Mitochondria are the powerhouse of the cell.” But a fascinating new study in Current Directions in Psychological Science shows they are so much more than just tiny engines—they might be the missing link between our mental health and our physical bodies.

When we experience chronic stress, trauma, or even loneliness, our mitochondria can become less efficient. This “cellular exhaustion” is likely why mental burnout feels so physically draining.

The brain is an energy hog. It uses a massive amount of the body’s energy. When our mitochondria aren’t firing on all cylinders, it can lead to brain fog, fatigue, and even higher risks for anxiety and depression.

The good news is that you can recharge/repair your brain’s mitochondria: endurance exercise, mindfulness, and strong social support don’t just make us feel better, they help repair and optimize our cellular machinery.

• Brain aging is a major risk factor for Alzheimer’s, with an aged brain carrying a risk similar to the APOE4 gene, while a youthful brain offers protection like APOE2.
• Multiple aged organs (5-7 or 8+) significantly increase mortality risk (HR 4.5 and 8.3, respectively).
• Youthful brains and immune systems are key to longevity, reducing mortality risk by up to 56% when both are healthy.
• Lifestyle factors like smoking, alcohol, and diet impact organ aging, suggesting modifiable ways to boost healthspan.

This opens doors to monitoring organ health and targeting interventions for a longer, healthier life! Read more: https://doi.org/10.1038/s41591-025-03798-1

Only 12% of Americans meet this criteria:

-waist circumference less than 40/35in men/women

-fasting blood glucose <100mg/dL

-HgbA1c <100

-BP < 120/80mmHg

-triglycerides <150mg/dL

– HDL-C > 40/50mg/dL men/women

https://www.liebertpub.com/doi/epub/10.1089/met.2018.0105

Did you know your mouth bacteria could be key to better heart health as you age?

A fascinating study in Free Radical Biology and Medicine (2025) examined the impact of dietary nitrate from beetroot juice on the oral microbiome, nitric oxide levels, and blood pressure in young adults (18-30 years old) compared to older adults (67-79 years old).

In this double-blind trial with 75 participants, folks drank nitrate-rich beetroot juice, a placebo, or used antiseptic mouthwash for 2 weeks each. Key findings:

Older adults experienced a greater drop in blood pressure (up to 4 mmHg) from the nitrate juice, attributed to higher nitric oxide bioavailability.

It worked by suppressing “bad” bacteria like Prevotella (tied to inflammation and diseases like hypertension).

Young people had microbiome changes too, but less impact on BP—though mouthwash slightly reduced their vascular function.

Bottom line: Nitrate-rich foods (such as beets and spinach) may supercharge heart health in later years by modifying your mouth’s ecosystem. Who knew your tongue held such power?

I do take a powdered organic beetroot every day.

https://www.sciencedirect.com/science/article/pii/S0891584925008068