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The 7 foods your brain needs (+ The sugar you must avoid for Alzheimer’s risk)

The Sunday Upgrade – A smarter, science-backed start to the week

Good Sunday,

Like every day, I woke up and checked WellnessInDubai.com

The next decade of your life will be built by two things:

→ The foods you choose.
→ The way you move.

Most people are accidentally rewiring their brain for disease — and speeding up physical decline — without even realizing it.

But with the right upgrades?
Sharper thinking. Stronger body.
A future that's actually yours.

Today’s playbook:

  • What sugar is secretly damaging your brain

  • The top 7 foods to reverse the decline

  • The surprising winner between running vs. swimming for high-performance living

Fructose could be melting your brain

We evolved to survive scarcity, not abundance.

Thousands of years ago, a hit of fructose helped early humans override fear, ignore time, and hunt or forage faster.

Fructose literally disrupted memory and focus — but in a way that boosted survival when food was rare.

Fast-forward to today:

  • Fructose is no longer rare.

  • It’s everywhere — in fruits, juices, snacks, sauces, cereals, sodas.

  • Your brain is being "tricked" all day long, flooding your system with signals to forage...even when you don't need to.

The danger:

→ Chronic fructose exposure blunts brain metabolism.
→ Memory centers like the hippocampus shrink over time.
→ The pattern mimics and may accelerate Alzheimer’s disease.

Especially problematic sources:

  • High-fructose corn syrup (HFCS) in processed foods.

  • “Healthy” smoothies that remove fiber and deliver a fructose bomb straight to the blood.

My brain shield:

Stick to whole fruits (berries > bananas, mangoes).
Limit processed foods where fructose hides (even "natural" ones).
Focus on savory, fiber-rich meals that stabilize blood sugar and brain energy.

Fructose isn’t evil.
But modern life overdoses you — and your brain is paying the price.

7 foods to build a bulletproof brain

If you want sharper thinking, faster problem-solving, and long-term brain resilience — what you put in your mouth matters as much as what you put in your mind.

The Super 7 (and why they work):

🥛 Kefir:

  • Rich in probiotics that enhance the gut-brain axis.

  • Helps lower inflammation and may slow age-related cognitive decline.
    (Pro tip: Add to smoothies or salad dressings.)

🐟 Anchovies & Mussels:

  • Tiny but mighty omega-3 powerhouses.

  • Lower mercury levels compared to larger fish.

  • Support brain membrane health and neurotransmitter production.

🌱 Lentils:

  • High in plant protein and fiber, but more importantly — packed with folate (B9).

  • Folate deficiencies are strongly linked to depression and dementia risk.
    (Add them to soups, salads, and omelets.)

🍫 Dark Chocolate (80%+ cacao):

  • Rich in flavonoids that improve blood flow to the brain.

  • Shown to enhance memory and executive function.
    (Savor it, don’t inhale it.)

🍓 Berries (especially blueberries, raspberries):

  • Loaded with anthocyanins that protect neurons from oxidative stress.

  • Boost neuroplasticity (your brain’s ability to adapt and grow).

🥜 Cashews:

  • Excellent iron source for oxygenating brain tissues.

  • Perfect for plant-based eaters who are often low in iron.

🌿 Microgreens & Sprouts:

  • Dense in vitamins, minerals, and antioxidants.

  • May deliver 4–40x more nutrients than mature plants.
    (Think sunflower sprouts, pea shoots, broccoli sprouts.)If it feeds your microbiome, it feeds your mind.

Every bite either fuels your brain’s future — or fires its decay.

Diego Carrete

Running vs swimming for fat loss?

Both running and swimming deliver powerful benefits — but they shape your body and mind differently.

Running (High impact power move):

Strengths:

  • Higher calorie burn per minute.

  • Builds cardiovascular endurance and overall resilience.

  • Improves VO2 max faster than swimming for most people (key for lifespan extension).

  • Forces bone density improvements (impact stress strengthens skeletal system).

Weaknesses:

  • Higher injury risk (especially joints, shins, hips if done improperly).

  • Can lead to overtraining if recovery isn’t managed.

Pro Tip:
Use polarized training: mix slow, easy jogs with occasional sprints.

Swimming (Full body strength + recovery hack):

Strengths:

  • Total body engagement — especially core, shoulders, and legs.

  • Water resistance builds lean muscle efficiently without joint damage.

  • Breath control while swimming improves parasympathetic nervous system tone (think: better stress management).

  • Brilliant for active recovery or rebuilding after injury.

Weaknesses:

  • Slower calorie burn compared to high-speed running.

  • Requires access to a pool (logistics).

Pro Tip:
Swim on recovery days to support running performance while reducing inflammation.

The optimal combo for lifelong fitness:

  • Run 2–3x/week for heart, bone, and VO2 max gains.

  • Swim 1–2x/week for strength, joint health, and recovery.

This hybrid model builds a resilient, high-capacity body without burning out.

Closing thought

You are always programming your future brain and body — with every meal and every workout.

The only question is:

Are you programming decline...or resilience?

Today’s upgrade plan:

→ Cut the fructose fire.
→ Eat like your future depends on it (because it does).
→ Move smart to build a mind-body machine that doesn’t break down

If someone forwarded this to you, click below.

References

  • Fructose and Alzheimer's Development:
    Johnson, R.J., et al. (2025). Fructose metabolism and the evolutionary basis for Alzheimer’s Disease. American Journal of Clinical Nutrition.
    [Study Link or citation if hyperlink not available]

  • Fructose, Memory, and Brain Atrophy Theory:
    Johnson, R.J., et al. (2025). Foraging Instincts and Fructose’s Role in Alzheimer’s Pathophysiology. American Journal of Clinical Nutrition.

  • Psychobiotics and Gut-Brain Axis Support:
    Dinan, T.G., Cryan, J.F. (2017). The Microbiome–Gut–Brain Axis: From Psychobiotics to Mental Health. Clinical Psychological Science.

  • Anchovies, Mussels, and Brain Health (Omega-3s):
    Calder, P.C. (2015). Marine omega-3 fatty acids and inflammatory processes: Effects, mechanisms and clinical relevance.Biochimica et Biophysica Acta (BBA).

  • Lentils, Folate, and Brain Function:
    Bottiglieri, T. (2005). Folate, vitamin B12, and neuropsychiatric disorders. Nutrition Reviews.

  • Dark Chocolate and Memory Improvement:
    Socci, V., et al. (2017). Chocolate and Cocoa Polyphenols: From Biology to Clinical Applications. Frontiers in Immunology.

  • Berries, Neuroplasticity, and Cognitive Health:
    Krikorian, R., et al. (2010). Blueberry Supplementation Improves Memory in Older Adults. Journal of Agricultural and Food Chemistry.

  • Running vs. Swimming for VO2 Max and Cardiovascular Health:
    Oja, P., et al. (2024). Comparative study on endurance sports and VO2 max improvements. Frontiers in Physiology.

  • Running Reduces Risk of Cardiovascular Mortality:
    Lee, D.-C., et al. (2014). Leisure-time running reduces all-cause and cardiovascular mortality risk. Journal of the American College of Cardiology.

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