Devon Blog

Tag: LDL

  • Episode 0002 – The 11 Body Systems

    1. Episode 0001 – Welcome to CentoViva
    2. Episode 0002 – The 11 Body Systems
    3. Episode 0003 – What Else You Need to Know Beyond the 11 Body Systems

    Today, I want to walk through the body from a systems point of view. Think of this as a quick tour of the machinery that keeps you alive. There are eleven major systems, each with a job of its own, but all working together in ways we rarely think about.

    1. Integumentary system

    This is your skin, hair, and nails. It protects you from the environment, prevents water loss, regulates temperature, and acts as your first barrier against microbes. It’s also full of sensors that tell you about the world around you.

    2. Skeletal system

    Your bones, cartilage, and joints form the frame that supports your body. Bones store minerals, protect organs, and produce blood cells. Without this structure, everything else has nothing to anchor to.

    3. Muscular system

    This includes skeletal muscles that move your body, cardiac muscle that powers your heart, and smooth muscles that line organs like your intestines and blood vessels. Muscles convert chemical energy into movement and heat.

    4. Nervous system

    Your brain, spinal cord, nerves, and sensory organs form the fast-acting control system of the body. It processes information, coordinates actions, and lets you think, feel, and respond instantly.

    5. Endocrine system

    This system uses hormones to regulate metabolism, growth, reproduction, stress responses, and long-term balance. Glands like the thyroid, adrenals, and pancreas release chemical signals that influence almost every cell.

    6. Cardiovascular system

    Your heart and blood vessels move oxygen, nutrients, hormones, and waste products throughout the body. It’s the transport network that keeps every organ supplied and alive.

    7. Lymphatic and immune system

    This system maintains fluid balance and defends you against infections. Lymph nodes, vessels, and immune cells filter harmful substances and coordinate immune responses.

    8. Respiratory system

    Your lungs and airways bring oxygen in and remove carbon dioxide. It’s also involved in acid-base balance, vocalization, and filtering airborne particles.

    9. Digestive system

    The gastrointestinal tract, liver, pancreas, and related organs break down food, absorb nutrients, and eliminate waste. It fuels everything else and interacts closely with the immune system and gut microbes.

    10. Urinary system

    Your kidneys and bladder filter blood, remove toxins, balance electrolytes, and regulate blood pressure. This is your chemical cleanup and water-management system.

    11. Reproductive system

    These are the organs involved in producing gametes and hormones. It supports fertility, sexual function, and hormone regulation in both men and women.

    Each system seems separate, but none work alone. You breathe to fuel your blood. Your blood delivers energy to your muscles. Your hormones regulate digestion, stress, and sleep. Your nervous system watches over everything.

    Now that may seem like a complex list of 11 systems, but let me give you a way to think about it.

    Your body works like a well-designed house, and each of the 11 systems plays a role in keeping it livable. The skeletal system is the frame and beams; the muscular system is the pulleys, supports, and mechanisms that let doors and windows move. The integumentary system is the outer walls and roof that protect everything inside. The nervous system is the electrical wiring that controls switches, sensors, and communication. The endocrine system is the thermostat and automated controls that adjust conditions through signals. The cardiovascular system is the plumbing that moves water and supplies to every room, while the lymphatic and immune system is the drainage and security system that removes waste and protects against threats. The respiratory system is the ventilation that brings fresh air in and removes carbon dioxide. The digestive system is the kitchen that breaks down raw materials into usable energy. The urinary system is the wastewater removal line that keeps the house clean. Finally, the reproductive system is the blueprint room, responsible for creating the next version of the house. Together, these systems keep your “human house” functional, stable, and alive.

    Understanding these systems is the first step in understanding aging itself.

    As we go deeper into CentoViva, we’ll explore how each of these systems changes over time, and what you can do to support them so you can live longer, stronger.

    Theres more you need to know…

    1. What each system does.

       You know this at a high level. Now, If you know what a system is responsible for, you can recognize when something is going wrong.

    2. How systems depend on each other.

       For example:

       * The digestive system affects hormones.

       * Hormones affect sleep.

       * Sleep affects inflammation and aging.

         When you understand these connections, your decisions become smarter.

    3. Why lifestyle choices have real consequences.

       If you know how metabolism works, the importance of sleep is obvious.

       If you understand how blood vessels age, you understand why LDL matters.

       If you know how the liver detoxifies, alcohol habits make more sense.

    4. How aging actually happens.

       Aging is not one process. It is decline happening at different rates across systems.

       Anatomy and physiology provide the map.

    Without this foundation, most advice about food, supplements, workouts, sleep, or recovery feels random.

  • Green Tea: How to Drink It for Longevity

    Green tea is one of the most studied beverages for cardiovascular, metabolic, and cognitive health. Its benefits come primarily from catechins (antioxidants), L-theanine (promotes calm alertness), and other polyphenols. These compounds can help reduce LDL cholesterol, support weight management, and lower inflammation.

    Types of Green Tea

    1. Sencha
      • The most common Japanese green tea.
      • Steamed leaves, light and slightly grassy taste.
      • High in catechins; moderate caffeine.
      • Suitable for daily consumption.
    2. Matcha
      • Powdered green tea made from whole leaves.
      • Contains higher levels of antioxidants than brewed teas because you consume the entire leaf.
      • Contains more caffeine than sencha but releases it more steadily due to L-theanine.
      • Ideal for mornings or early afternoon; also versatile in smoothies or drinks.
    3. Gyokuro
      • Shade-grown, premium tea with higher theanine.
      • Richer flavor, lower bitterness.
      • Expensive, usually consumed as a treat.
    4. Bancha / Hojicha
      • Lower-grade leaves or roasted versions.
      • Less catechins, very low caffeine.
      • Good for evening consumption.

    Best Practices for Consumption

    • Timing: Avoid drinking on an empty stomach; catechins can sometimes irritate. Morning or between meals is ideal.
    • Water Temperature: 70–80°C (not boiling) preserves antioxidants and reduces bitterness.
    • Frequency: 2–3 cups daily provides consistent benefits without excess caffeine.
    • Enhancements: Enjoy plain, or with a slice of lemon (vitamin C enhances catechin absorption). Avoid sugar and heavy additives.

    Matcha vs. Sencha

    • Matcha: Stronger antioxidant boost, more caffeine, better for mental focus.
    • Sencha: Lighter, easier to drink in higher volumes throughout the day, still delivers health benefits.

    Takeaway: Both matcha and sencha are excellent for a CentoViva lifestyle. If you want daily, steady intake, sencha is convenient. For a concentrated antioxidant and focus boost, matcha is ideal. Rotate or combine them depending on your routine.

  • Foods That Support Healthy Cholesterol: Lessons From Blue Zones

    Cholesterol is a necessary molecule for the body, but elevated LDL (“bad” cholesterol) increases cardiovascular risk. Diet plays a pivotal role in maintaining optimal cholesterol levels. Populations in the Blue Zones – areas known for high longevity like Okinawa, Sardinia, Ikaria, and Nicoya share consistent dietary patterns that support heart health and lower LDL.

    1. Legumes: The Foundation of Longevity

    Blue Zone diets heavily rely on beans, lentils, and peas. Legumes are rich in soluble fiber, which binds cholesterol in the gut, reducing absorption. Regular consumption is associated with lower LDL and improved heart health.

    Examples: Black beans (Nicoya), chickpeas (Sardinia), soy (Okinawa)

    2. Whole Grains: Fiber Meets Function

    Whole grains – oats, barley, brown rice offer beta-glucans and other soluble fibers that directly lower LDL. In Ikaria, diets rich in barley-based breads and porridges are linked to lower cholesterol and reduced cardiovascular disease.

    3. Nuts and Seeds: Healthy Fats With a Purpose

    Almonds, walnuts, pistachios, and flax seeds are staples across longevity regions. They provide monounsaturated and polyunsaturated fats, plant sterols, and omega-3s that reduce LDL and inflammation.

    4. Vegetables and Leafy Greens

    Non-starchy vegetables, particularly dark leafy greens (spinach, kale, chard), supply fiber, antioxidants, and plant sterols. CentoViva’s life arc emphasizes supporting cardiovascular health at every stage, and these foods fit perfectly across ages.

    5. Fruits: Polyphenols and Fiber

    Fruits, especially berries and citrus, are common in Blue Zones. They supply soluble fiber and polyphenols that improve lipid profiles and reduce oxidative stress.

    6. Fermented Foods

    Fermented foods like miso, kefir, and kimchi support gut health. Emerging science shows a healthy microbiome contributes to cholesterol regulation and systemic inflammation control.

    7. Minimal Animal Saturated Fat

    Blue Zone populations consume minimal red meat and dairy. Where dairy is consumed (like goat or sheep in Sardinia), it is often fermented, which may reduce negative impacts on LDL.

    8. Olive Oil and Healthy Plant Oils

    Okinawans and Sardinians favor plant oils. Olive oil and other monounsaturated fats improve the HDL-to-LDL ratio, supporting heart health.

    Bringing It Home: Daily Principles

    • Legume-first meals: Aim for 1–2 servings daily.
    • Whole grains as a base: Swap refined carbs for oats, barley, or brown rice.
    • Snack on nuts and seeds: A small handful daily.
    • Vegetables at every meal: Half the plate is ideal.
    • Fruit daily: Prioritize berries and citrus.
    • Add fermented foods: Small daily servings aid both gut and heart.
    • Use plant oils: Favor olive, canola, or avocado oil over butter.

    CentoViva Perspective

    These foods align with the CentoViva philosophy: supporting longevity, strength, and systemic balance across the life arc. From preserving cardiovascular health in midlife to supporting resilience in later decades, dietary choices rooted in Blue Zone principles provide a natural, science-backed path to living longer and stronger.

  • Global Beverages for Longevity: A CentoViva Perspective

    Across the world, cultures have developed daily beverages that are more than simple refreshment—they are tools for vitality, resilience, and long life. In line with the CentoViva philosophy of living longer and stronger, these drinks reveal lessons from tradition and science alike.

    Green Tea: The Japanese Classic

    Green tea, central to Japanese and Chinese culture, is rich in catechins, especially EGCG, known for:

    • Cardiovascular support: lowers LDL, improves endothelial function
    • Metabolic benefits: helps insulin sensitivity and weight management
    • Cognitive protection: antioxidants support neuron health
    • Anti-inflammatory effects: modulates chronic inflammation

    Typically consumed 2–3 cups daily, without sugar, green tea is the drink that consistently emerges as most supportive of longevity and resilience.

    Coffee: Mediterranean and Western Traditions

    Coffee is a global staple, particularly in Europe and the Americas, offering caffeine and chlorogenic acids:

    • Energy and focus: acute alertness and cognitive performance
    • Antioxidant activity: supports cardiovascular and metabolic health
    • Moderation needed: excessive intake can disrupt sleep and raise cortisol

    Coffee is best morning to midday and paired with minimal sugar or cream to retain health benefits.

    Chai and Spice Teas: South Asia

    Chai blends black tea with spices like cardamom, ginger, cinnamon, and cloves:

    • Digestive support: ginger and cardamom aid gut function
    • Anti-inflammatory: cinnamon and cloves support metabolic health
    • Sugar caution: commercial chai often high in sugar, reducing benefits

    Unsweetened, lightly brewed chai is a gentle stimulant with digestive advantages.

    Yerba Mate and Herbal Infusions: South America and Beyond

    • Yerba Mate: caffeinated, rich in antioxidants, supports mental alertness and metabolic function
    • Rooibos: caffeine-free, antioxidant-rich, supports heart health
    • Tulsi (Holy Basil): adaptogenic, supports stress resilience and immunity

    Herbal infusions provide low-caffeine, high-antioxidant options, ideal for evening or afternoon consumption.

    Kombucha and Fermented Drinks: Global Traditions

    Fermented teas and drinks appear in China, Korea, and parts of Eastern Europe, offering:

    • Probiotics: support gut microbiome health
    • Metabolic and immune benefits: moderate sugar versions can promote digestion and resilience

    Consumption should be daily but moderate, keeping sugar levels low.

    The CentoViva Conclusion: Which Drink Stands Out?

    While every culture brings beverages that support health in unique ways, green tea consistently aligns with the CentoViva principles of longevity and strength:

    • Daily consumption in traditional cultures correlates with lower cardiovascular risk and longer life expectancy
    • Supports multiple body systems across the arc of life: cardiovascular, nervous, metabolic, and immune
    • Low sugar, naturally hydrating, and easy to integrate into daily habits

    Other drinks—coffee, chai, yerba mate, herbal infusions—are valuable for energy, digestion, or evening relaxation, but when measured against the science of longevity, green tea emerges as the optimal daily choice.

    Practical Tips

    • Morning: Green tea or coffee for focus and metabolic support
    • Afternoon: Unsweetened chai or herbal teas for gentle stimulation
    • Evening: Rooibos, tulsi, or other herbal infusions for antioxidant and calming support
    • Daily habit: Brew green tea for 3–5 minutes, avoid sugar, pair with a balanced diet

    CentoViva takeaway: Mindful beverage choices are simple yet potent levers for living longer, stronger, and with vitality that spans the entire arc of life.

  • Dried Shiitake Mushrooms: A Century of Flavor and Health

    In the journey to live longer and stronger, what we put on our plates matters as much as how we move and rest. Across cultures, certain foods have quietly carried centuries of tradition and scientific wisdom. Among these, dried shiitake mushrooms stand out, not just for their rich umami flavor, but for their profound contributions to health across the lifespan.

    Ancient Culinary Tradition Meets Modern Science

    Shiitake mushrooms have been cultivated in East Asia for over a thousand years. Historically, they were valued not only as food but as a tonic for vitality. Drying them intensifies flavor, preserves nutrients, and allows for year-round use. Today, science confirms what ancient cultures intuited: shiitake mushrooms are more than a culinary ingredient—they are a functional food with measurable health benefits.

    Why Dried Shiitake Mushrooms Support Longevity

    1. Immune Resilience

    Dried shiitakes are rich in beta-glucans, a type of polysaccharide that modulates the immune system. These compounds help your body respond effectively to threats while avoiding chronic inflammation—key for maintaining strength and resilience through the CentoViva life arc.

    2. Cardiovascular Health

    Shiitakes contain eritadenine, a compound that helps regulate cholesterol levels, particularly lowering LDL (“bad” cholesterol). Combined with potassium, they support healthy blood pressure and maintain vascular elasticity—critical for midlife performance and preservation.

    3. Bone and Mineral Support

    Packed with zinc, copper, selenium, and potassium, dried shiitakes contribute to skeletal and muscular health. These minerals help maintain strength and recovery capacity as we age, from the transformation years of adolescence to the resilience years of later life.

    4. Gut Health

    Prebiotic fibers in shiitake mushrooms feed beneficial gut bacteria. A balanced microbiome enhances digestion, nutrient absorption, and even immune regulation—a foundation for performance and preservation across decades.

    5. Antioxidant and Anti-Inflammatory Properties

    Shiitakes contain lentinan and other bioactive compounds that reduce oxidative stress and inflammation. These processes naturally increase as we age, and mitigating them supports cognitive and cellular resilience.

    Culinary Versatility: More Than Just a Soup Ingredient

    Dried shiitakes are incredibly versatile. They can be soaked and sliced for stir-fries, added to stews, blended into sauces, or infused to make a rich, umami-packed broth. They naturally enhance flavor while reducing the need for added salt or fats—a simple swap that benefits both heart and metabolism.

    How They Fit Into the CentoViva Life Arc

    Life StageRole of Shiitake Mushrooms
    0–20 yearsSupports immune development, cognitive growth, and mineral supply.
    20–40 yearsMaintains cardiovascular health, energy metabolism, and gut balance.
    40–60 yearsHelps preserve muscle, bone density, and vascular flexibility.
    60+ yearsBoosts immunity, mitigates inflammation, supports digestive efficiency, and protects cellular health.

    By integrating dried shiitake mushrooms into meals, you provide your body with nutrients and compounds that are aligned with the long arc of vitality—helping you not just live longer, but stronger.

    Quick Tip: Shiitake Broth Base

    Soak 4–5 dried shiitake caps in warm water for 20–30 minutes. Use the soaking liquid as a flavorful base for soups, stews, or sauces. Slice the mushrooms and add them back for a nutrient boost and satisfying texture. This simple daily habit brings umami, minerals, and bioactive compounds to your table effortlessly.

    Key Takeaway:
    Dried shiitake mushrooms are more than an ingredient—they are a tool for longevity. They nourish the body, support vital systems, and enhance every stage of the life arc. Integrating them regularly is a simple, science-backed step toward living longer, stronger, and more resilient.