Shayan Sen Profile picture
Sep 6 10 tweets 4 min read Read on X
Alzheimer’s isn’t caused by bad genes.

It’s metabolic damage that slowly shrinks your brain.

It begins 20 years before doctors ever catch it.

Here’s the blueprint to stop memory loss — before it’s too late: 🧵 Image
1. Memory Loss

Alzheimer’s doesn’t start when grandma forgets your name.

It begins 10–20 years earlier: neurons suffocating, the hippocampus shrinking, and brain metabolism collapsing.

By the time symptoms show, half the brain’s fuel system is gone. Image
2. Why your doctor misses it

Medicine has been obsessed with amyloid plaques for 30 years.

Billions spent, dozens of drugs failed.

But plaques are a symptom, not the cause.

The fire alarm, not the fire.

Meanwhile, metabolic damage keeps burning your brain down. Image
3. The real root: brain insulin resistance

Neurons run on glucose + ketones.
But when insulin stops working, the brain can’t use all the fuel.

• Neurons starve
• Synapses collapse
• Memory fades

This is why researchers now call Alzheimer’s Type 3 Diabetes.
4. 5 ways it destroys your brain

• Glycation: sugar binding to neurons like rust
• Inflammation: cytokines frying synapses
• Plaques: dead protein clumps, byproducts of chaos
• Shrinkage: hippocampus loses 10–15% volume
• Mitochondria: energy plants go dark Image
5. The real risk factors (not genetics)

• High fasting insulin (>8 µIU/mL)
• HbA1c above 5.5%
• Belly fat (waist-to-height >0.5)
• Poor sleep + blue light at night
• ApoE4 gene = higher sensitivity Image
6. How to bulletproof your brain

Forget crossword puzzles, real prevention is metabolic:

• Strength train (muscle = glucose sponge)
• Daily movement (walk after meals)
• Intermittent fasting (boosts ketones, clears plaques)
• Eat protein + healthy fats, cut down refined carbs
• Sleep 7–9 hrs (deep sleep = brain detox)Image
7. Key supplements for brain defense

• Creatine (fuels mitochondria)
• Omega-3s (DHA = brain insulation)
• Magnesium threonate (crosses Blood Brain Barrier)
• Curcumin (anti-inflammatory)
• Urolithin A (mitochondrial cleanup)

These target the actual drivers of Alzheimer’s. Image
8. Tests to request now

Don’t wait for memory loss.

Ask your doctor for:

• Fasting insulin (aim 3–5 µIU/mL)
• HbA1c (<5.3%)
• ApoE genotype (know your risk)
• MRI volumetrics if family history
• Omega-3 index

What gets measured gets managed. Image
FInal Thoughts:

Alzheimer’s isn’t inevitable.
It’s not “bad luck” or “just age.”
It’s metabolic damage over many years.

Fix insulin resistance, protect mitochondria, and it can be prevented.

Bookmark, RT and follow @DrShayanSen for more threads on root causes of disease.

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More from @DrShayanSen

Aug 27
Diabetes starts 10 years before your doctor catches it.

It silently Damages your brain, heart, and metabolism.

The good news: it’s reversible.

Here’s the step-by-step blueprint to fix it before it’s too late: 🧵 Image
1. First, Understand this Myth:

“Diabetes runs in my family — I’m doomed.”

TRUTH: Only 10–15% of type 2 diabetes risk is genetic (Nature Reviews Genetics).

The Pima Indians had near-zero diabetes until processed foods arrived. One generation later → 50% diabetes rates. Image
2. How diabetes silently destroys you:

Fat → turns into a toxin factory (ceramides)
Muscle → insulin blocks protein synthesis (atrophy begins)
Brain → hippocampus shrinks, dementia risk ↑
Lifespan → 10+ years lost via glycation

This is what it can lead to: Image
Read 14 tweets
Aug 22
Tired, foggy, and gaining fat?

Everyone blames hormones.

But the real culprit is your stress system - silently wrecking your metabolism, mood, and muscle.

Here’s how to repair it (and reclaim your energy, focus & fat loss): 🧵 Image
1. Meet your internal stress system:

The HPA axis.
Think of it as your body’s stress thermostat:
Brain → Gland → Hormone

Stress hits → brain sends a signal → adrenals pump cortisol.

Modern life overheats this system 24/7.
And when it breaks, everything breaks with it. Image
2. What happens when it's overworked?

Early stage:
• High cortisol = anxiety, belly fat, poor sleep
• Muscles break down
• Blood sugar stays high all night

Late stage:
• Cortisol crashes = fatigue, low mood, slow metabolism
• Inflammation spikes (↑TNF-α, ↓IL-10)
• Immunity tanks

You can’t outwork a broken stress system. You have to repair it.Image
Read 9 tweets
Aug 19
They told you hair loss is genetic.

But your hair CAN come back.

Here’s what’s killing your hair cells and how to bring them back to life (before it's permanent):🧵 Image
1. Hair loss doesn’t mean your follicles are dead.

They’re dormant.

Low blood flow. Mitochondrial breakdown. Chronic inflammation. Hormonal dysfunction.

Hair loss isn’t a genetic sentence, it’s a metabolic malfunction.

And you can reverse it. Image
2. The Real Causes (Not “Just Genetics”)

• DHT sensitivity – only harmful in inflamed scalps
• Scalp hypoxia – low blood flow = starving follicles
• Mitochondrial dysfunction – low ATP = weak growth
• Inflammatory cytokines – TNF-α blocks the growth phase

Genetics load the gun.
Your environment pulls the trigger.Image
Read 12 tweets
Aug 12
Your internal clock controls your energy, focus, and health.

But most people wreck it every single day — without knowing it.

Here’s exactly how to repair your circadian rhythm with science-backed methods: 🧵 Image
1. The Basics

Your circadian rhythm is a 24-hour internal biological clock.

It regulates:

• Sleep-wake cycles
• Hormonal production
• Metabolic processes
• Body temperature
• Gene expression

It's not just about sleep.

It's a fundamental biological system. Image
2. The How:

Suprachiasmatic nucleus (SCN) in your brain synchronizes with external light-dark cycles:

• Morning light: reduces melatonin, elevates cortisol, increases alertness.
• Evening darkness: elevates melatonin, prepares body for sleep.

Don't ignore these signals... Image
Read 14 tweets
Aug 9
Meditation is a waste of time.

Because most people do it wrong.

But done right, it can rebuild brain tissue, reprogram your DNA, and reverse aging.

Here are 5 science-backed protocols and products that actually work 🧵:
1. The biggest lie in wellness:

“Meditation is just for stress relief.”

Wrong.

Done properly, it triggers:

• Telomere repair
• Mitochondrial regeneration
• DNA transcription changes
• Hormonal recalibration
• Brain tissue growth

It’s molecular medicine. Image
2. How meditation actually rewires your biology:

• Thickens prefrontal cortex → focus, control
• Shrinks amygdala → reduced anxiety
• Grows hippocampus → memory, learning
• Boosts BDNF → new brain cells
• Activates FOXO3, TERT → longevity genes
• Resets cortisol rhythm → better fat loss & sleep

This is full-body software reprogramming.Image
Read 11 tweets
Aug 2
Coffee can protect your brain, burn fat, and slow aging.

But you probably use it wrong — and sabotage all those benefits.

90% drink it at the wrong time, in the wrong way.

Here’s how to turn your coffee into medicine: 🧵 Image
1. First, what's in it?

Coffee contains over 1,000 compounds, including:

• Caffeine – blocks adenosine to keep you alert
• Chlorogenic acid – antioxidant and blood sugar regulator
• Polyphenols – support your gut and skin
• Diterpenes – protect your liver Image
2. Brain Fuel

• Increase dopamine and norepinephrine for better focus
• Stimulate BDNF, promoting neuron repair
• Block adenosine to delay fatigue

Three to five cups per day is linked to a 30% lower risk of Alzheimer’s

Wait 90 minutes after waking to avoid a cortisol clash.
Read 16 tweets

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