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Aug 10, 2025 14 tweets 5 min read Read on X
Steven Bartlett just had world's leading anti-ageing expert on his podcast.

Dr. Rhonda Patrick revealed:

• A workout that makes your heart 20 years younger
• A habit that cuts mortality risk by 50%
• A diet habit as deadly as smoking

Her 10 most shocking revelations: Image
1. Not getting enough vitamin D raises dementia risk by 80%.

70% of Americans are deficient from staying indoors, missing UVB to make D3.

4,000 IU/day gets most from deficient to optimal for just $0.10/day.
2. Having low omega-3 levels is as bad for mortality as smoking.

A Harvard study lists "not eating seafood" as a top preventable cause of death.

The resulting low omega-3 levels carry a mortality risk as high as being a smoker.

Fix this easily with 1-2 grams of fish oil daily.
3. Three weeks in bed wrecks your body more than 30 years of ageing.

Dallas Bed Rest Study tracked 5 college students on complete bed rest.

They couldn't even get up for the bathroom - had catheters.

Their fitness after 3 weeks was worse than 30 years later.
4. Your genes only control 30% of how you age.

Lifestyle dictates "70% or more" of how you age, while genetics "plays a small role."

This lifestyle gap is why one 70-year-old can be sharp and active, while another is frail and forgetful. It's not your DNA.
5. Creatine at high doses beats sleep deprivation.

Studies show 25-30g after 21 hours awake made people perform BETTER than if well-rested.

Patrick takes 10g daily with no afternoon crash.

Goes up to 20g before demanding presentations or podcasts.
6. 50% Americans are Mg deficient and it's killing them.

People with highest levels have 40% lower all-cause mortality and 50% lower cancer death.

Every 100mg deficit = 24% higher pancreatic cancer risk.

Your body needs it for 300+ enzymes.
7. The Norwegian 4x4 reverses heart aging by 20 years!

50-year-olds who did this protocol for 2 years had hearts that looked like 30-year-olds.

The workout: 4 minutes hard, 4 minutes recovery, repeat 4x.

2x weekly on bike or rower.
8. A basic multivitamin makes your brain 5 years younger.

3 randomised controlled trials with Centrum Silver proved this.

Improved episodic memory equivalent to reversing 5 years of brain ageing.

Not some expensive supplement. Just a regular multivitamin.
9. A weekly vigorous workout (10x 1min on/off) produces lactate, which:

• Activates BDNF (brain fertilizer) - grows new neurons
• Increases norepinephrine and serotonin

Result: Better memory, focus & mood.
10. Sauna use can slash death risk by up to 50%.

4–7 traditional sauna sessions/week lead to:

• 40% lower all-cause mortality
• 50% lower heart mortality

Traditional saunas raise core temp fast, infrared needs much longer for the same gains.
Bonus: Your coffee cup is poisoning you with plastic.

Paper cups have plastic lining.

And heat accelerates BPA leaching by 55-fold.

That's 5,500% more toxins.

Even tea bags release thousands of microplastics.
Thanks for reading!

If you found this useful, follow me @SammyRArmstrong for more health insights.

Repost for your community:
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Anti-Aging Expert: Missing This Vitamin Is As Bad As Smoking! The Truth About Creatine!

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More from @SammyRArmstrong

Jan 30
Dr. Peter Attia & Dr. Rhonda Patrick recently unpacked one of the most misunderstood debates in longevity science.

After years of low- vs high-protein arguments, they explained what actually matters for living longer and staying functional.

Their 12 key insights: Image
1. Longevity science was built on animal models, and they misled us.

Most protein-restriction data comes from mice and worms.

They live in sterile environments.
No infections. No injuries. No hospital stays.

Humans don’t age like that. Image
2. Humans don’t die the way lab animals do.

Lab animals mostly die from:
• lymphomas
• artificial cancers

Humans mostly die from:
• heart disease
• dementia
• frailty
• falls
• loss of independence

Muscle loss matters far more in humans.
Read 16 tweets
Jan 28
Cillian Murphy is almost 50 years old.

And he looks better than most men in their 30s.

His secret? No crash diets or extremes.

Just a repeatable system he’s followed consistently for years.

Here’s the diet, training, and habits that keep him that way: Image
Murphy doesn't chase extreme transformations.

He focuses on staying slim with defined muscle.

His goal: look good, feel strong, stay consistent.
His week targets different muscle groups each day.

Monday: chest and triceps.
Tuesday: legs and calves.
Thursday: shoulders and traps.
Friday: back and biceps.

But there's one thing he does after every session:
Read 14 tweets
Jan 22
The most valuable employee isn’t your top performer.

It’s the person most teams overlook.

Their impact stays invisible until everything breaks.

Here’s how to spot them: Image
This framework comes from a story Simon Sinek shares after working with the Navy SEALs.

He asked them one question:

“How do you choose who belongs on SEAL Team Six?”

Their answer was simple:
They drew a graph with two axes:

Performance and Trust

Most companies measure one obsessively and ignore the other.
Read 12 tweets
Jan 6
9 tips to build a stronger mind and memory

(from a Harvard-trained neuroscientist): Image
Dr. Lisa Genova says: Stop fearing forgetting.

A meeting. A name. An actor from a TV show.

99% of everyday forgetting isn’t a memory problem, it’s human biology.

Fear makes memory worse. Understanding makes it better.
1. Train attention deliberately.

Memory starts with attention.

Pause for 1–2 seconds when you place objects or receive information.

If you don’t notice it, your brain can’t store it.
Read 14 tweets
Jan 3
Dr. David Sinclair is one of the world's leading longevity scientists.

In a conversation with Dr. Huberman, he broke down what actually drives ageing at the cellular level.

His 10 important insights on slowing, and potentially reversing, aging: Image
1. Ageing is not caused by DNA damage alone.

It's caused by loss of cellular information.

Your DNA sequence mostly survives.

What degrades is the system that tells cells which genes to turn on and off.
2. This loss of information happens in the epigenome.

The epigenome is the instruction layer that keeps a skin cell a skin cell, and a neuron a neuron.

With age, those instructions become scrambled.

Cells slowly forget what they're supposed to be.
Read 13 tweets
Dec 31, 2025
Andrew Huberman just hosted world’s leading neuroscientist.

She revealed what emotions actually are, how they’re constructed, and how the brain uses them to guide behavior.

Her 10 key insights: Image
1. There is no dedicated “emotion system” in the brain.

Fear, anger, joy, and sadness don’t live in specific circuits.

The same brain networks are used for emotion, perception, decision-making, and movement.
2. Emotions are not reactions.

They are predictions.

Your brain is constantly guessing what’s happening and preparing your body to act, before you’re conscious of it.

Emotion is the brain’s best guess about what to do next.
Read 14 tweets

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