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Jul 18 11 tweets 4 min read Read on X
This might save your life:

Harvard professor Daniel Lieberman spent 17 years studying how ancient humans slept, moved, and aged over centuries.

The 5 myths he debunked will change how you think about health forever:

1/ Myth: Sitting is killing you
Not exactly…

Hunter-gatherers sit just as much as modern people.

The difference is that they get up every 10–15 minutes.

Sitting isn’t the issue; uninterrupted stillness for way too long is.
2/ Myth: You need 8 hours of sleep

Most traditional cultures don’t sleep 8 hours.

Lieberman and his colleagues tracked people with no phones, no electricity, no alarms through the centuries.

6 to 7 hours per night and naps.

So, where did 8 hours come from?👇
I used to aim for 8 hours every night and still woke up tired.

I thought sleeping more was the answer...Turns out, quality matters more than quantity.

Magnesium glycinate is clinically proven to calm your nervous system and support deep sleep…
This helped me fall asleep faster, stay asleep longer, and wake up sharp.

No weird side effects.

Natural, simple, and actually works:
lvnta.com/lv_J3CBj2Zyepr…
3/ Myth: Cancers are inevitable.

74% of diseases are preventable, including Alzheimer’s and heart disease.

Yet the U.S. spends just 3% of its healthcare $ on prevention.

Physical activity boosts DNA repair, clears brain waste, lowers insulin, and reduces chronic inflammation.
Retirement is when the body starts deteriorating:

• Mitochondria die
• Muscles shrink
• Inflammation rises
• Brain fog increases
• Repair processes shut off

Ancient humans moved till old age, working, walking, and helping the tribe.
4/ Myth: Cardio for weight loss.

Wrong.

Exercise (especially cardio) has modest effects on fat loss.

Its true value:
• Brain health
• Cancer prevention
• Longevity
• Muscle preservation
• Reduced dementia risk

Just not efficient for fat loss.
5/ Myth: Your genes decide everything.

Genetics matter.

But Lieberman says:

“Genes load the gun. Environment pulls the trigger.”

Your choices—movement, food, sleep, mindset—shape your health far more than you think:
There are more myths busted in the full podcast.

It’s a great watch, and all the videos in the thread are from the podcast.

Check out the whole podcast here:
Don’t forget to:

Follow me @PeakLab_ for more health and longevity tips.

Like/Repost the quote below if you enjoyed the thread:

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More from @PeakLab_

Jul 16
This amino acid controls your brain, blood flow, and erection:

L-arginine

But almost no one uses it correctly.

Here’s what you need to know (& how to get results):
L-arginine is a semi-essential amino acid.

Your body can make it, but not always in the amounts needed, especially with:

• Aging
• Illness
• Stress
• Poor diet
It’s the direct precursor to nitric oxide (NO), the molecule that expands blood vessels.
Nitric Oxide controls blood circulation.

Low NO means stiff vessels, high blood pressure, and poor oxygen delivery.
Studies link low NO to:
• Cardiovascular disease
• Insulin resistance
• Cognitive decline
• Erectile dysfunction

It’s a master regulator of health.
Read 13 tweets
Jul 13
You don’t have an age problem.

You have a dying cell problem.

Feeling old has nothing to do with age.

Here’s what actually causes aging (& how to fix it):
Aging isn’t random.

It’s driven by 9 biological breakdowns:

• DNA damage
• Mitochondrial dysfunction
• Cellular senescence
• Stem cell exhaustion
• Telomere shortening
• Epigenetic changes
• Inflammation
• Impaired protein folding
• Faulty nutrient sensing
PROBLEM #1: Mitochondrial Dysfunction

Your mitochondria are your cellular power plants.

As you age, they:
• Produce less ATP
• Leak free radicals
• Signal cell death

This results in:
• Fatigue
• Aging
• Organ decline
Read 17 tweets
Jul 10
Fasting for 72 hours is the best medicine on the planet.

It triggers your body to eat cancer, repair DNA, and reverse aging.

It's literally a doctor within.

Here’s how it works (& how to do it safely):
Fasting is not a trend.

When you fast, 3 things happen:

• Your insulin drops
• Your body burns fat
• Your cells begin repair (autophagy)

Fasting is giving your body time to clean house and heal. Image
The 3 main types of fasting:

1. Intermittent (16:8)
Eat within 8 hours, fast for 16

2. 24-hour fast
Dinner to dinner

3. Extended fast
48–72+ hours, done occasionally

Each goes deeper in terms of fat burn, repair, and clarity.
Read 19 tweets
Jul 9
Grey hair isn’t aging.

1 in 4 people go grey before 30.

It’s your cells screaming for help.

Here’s everything you need to know about grey hair (& how to fix it naturally):🧵
Grey hair is a signal of oxidative stress and cellular malfunction.

Your hair turns grey when melanocytes (cells that produce pigment) stop working properly.

And this happens much earlier than most people think.
Cause #1: Hydrogen peroxide.

Your body produces low levels of hydrogen peroxide naturally.

But when oxidative stress builds up, your hair follicles accumulate hydrogen peroxide.

It’s like bleaching your hair from the inside out.
Read 13 tweets
Jul 5
Sleep is the most powerful medicine on Earth.

It resets your hormones, burns fat, and cleans your brain.

Here are 8 science-backed foods that help you sleep deeper and recover:

1. Bananas
Packed with potassium and magnesium.

These minerals relax muscles and lower cortisol.

Also contains tryptophan → serotonin → melatonin.

A perfect pre-bed snack.
2. Tart Cherries

One of the few natural sources of melatonin.

One RCT published in the American Journal of Therapeutics showed it increased sleep time by ~84 minutes in adults with insomnia.

Anti-inflammatory compounds help regulate circadian.
Read 13 tweets
Jul 4
Your kidneys clean 50 gallons of blood a day.

But 1 in 7 adults has kidney disease.

And 9 out of 10 don’t know it.

Let’s break down how kidney disease starts (& how to fix it): 🧵
Your kidneys:
• Filter waste and toxins
• Balance minerals
• Regulate blood pressure
• Control red blood cell production
• Keep your hydration & pH

Most kidney damage happens silently for years.

By the time symptoms show, you’ve already lost 70–90% of function.
Early signs of kidney damage:
• Swelling in feet or ankles
• Foamy or dark urine
• High blood pressure
• Fatigue
• Nausea
• Itchy skin
• Frequent urination at night

Your kidneys won’t warn you.

But they will fail you if you don’t intervene early. Image
Image
Read 13 tweets

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