Kumail Sikandar Profile picture
Aug 28, 2025 10 tweets 3 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…
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:
Be the reason someone gets help. RT and share this thread.

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More from @Aiwithkumail

Feb 20
BREAKING: AI can now create product videos like $10K/day TikTok ad agencies (for free).

Here are 9 insane Claude Opus 4.6 + Higgsfield prompts that generate 50 product videos in 4 hours:

(Save this before your competitors do)
I just created 50 product videos for my e-commerce brand using Claude + Higgsfield.

Higgsfield automatically turns product links into video ads. Swap faces with the models.

Claude handles the angles, scripts, and rest.

Here are the 9 prompts that actually work:
PROMPT 1: The Product Angle Generator

You are a Direct Response Copywriter for DTC brands.

Create 10 video angles for [PRODUCT]:

ANGLE FRAMEWORKS:
1. PROBLEM-AGITATION-SOLUTION
- Problem: [PAIN POINT]
- Agitation: [CONSEQUENCES OF NOT SOLVING]
- Solution: [PRODUCT AS HERO]

2. BEFORE-AFTER-BRIDGE
- Before: [STRUGGLE STATE]
- After: [DESIRED STATE]
- Bridge: [HOW PRODUCT GETS THEM THERE]

3. STORY-DEMONSTRATION-PROOF
- Story: [RELATABLE SCENARIO]
- Demonstration: [PRODUCT IN ACTION]
- Proof: [RESULTS/TESTIMONIALS]

4. OBJECTION-DESTROYER
- Objection: [COMMON CONCERN]
- Reframe: [NEW PERSPECTIVE]
- Proof: [EVIDENCE]

5. URGENCY-SCARCITY-ACTION
- Urgency: [TIME LIMIT]
- Scarcity: [QUANTITY LIMIT]
- Action: [CTA]

For each angle:
- Hook (first 3 seconds)
- Script (30-60 seconds)
- Visual concept (for Higgsfield generation)
- CTA (specific action)

Generate 10 complete angles with conversion psychology.
Read 12 tweets
Feb 7
MY FRIEND SUBMITTED 52 JOB APPLICATIONS. ZERO RESPONSES. ZERO INTERVIEWS.

Then I uploaded his resume to GROK and got 11 replies in 9 days.

Here are the 7 prompts I used:
1. Resume Optimization

"Rewrite my resume for [JOB ROLE]. Focus on measurable achievements, strong action verbs, and keywords recruiters search for."
2. Cover Letter Creation

"Write a concise, confident cover letter for [JOB ROLE] at [COMPANY]. Make it personalized, professional, and tailored to this specific position."
Read 9 tweets
Sep 15, 2025
BREAKING: MIT just completed the first brain scan study of ChatGPT users & the results are terrifying.

Turns out, AI isn't making us more productive. It's making us cognitively bankrupt.

Here's what 4 months of data revealed:

(hint: we've been measuring productivity all wrong)
83.3% of ChatGPT users couldn't quote from essays they wrote minutes earlier.

Let that sink in.

You write something, hit save, and your brain has already forgotten it because ChatGPT did the thinking. Image
Brain scans revealed the damage: neural connections collapsed from 79 to just 42.

That's a 47% reduction in brain connectivity.

If your computer lost half its processing power, you'd call it broken. That's what's happening to ChatGPT users' brains. Image
Read 13 tweets
Sep 14, 2025
Fuck it.

I'm going to share our mega prompts that will help you go viral on TikTok everyday.

Here's how to generate viral ideas, hooks, and scripts using GPT-5, Claude, and Gemini for free.

Like + comment "Send" and I'll also DM you complete prompting guide: Image
First: tell the LLM what role to play

Prompt:

“You are a viral short-form content strategist trained on TikTok trends, psychology, and editing structure. I’ll give you a niche. You give me 10 viral TikTok ideas with hooks, angles, and formats.”

Niche: [your niche]
Goal: [views / followers / product sales]Image
Then ask:

“Turn idea #2 into a full 15–30 second TikTok script. Break it down by second. Add a strong hook and visual direction.”

It gives you:

✅ Scroll-stopper opener
✅ Storytelling beats
✅ Call-to-action
✅ Shot direction (for B-roll or talking head)

No guesswork. Image
Read 10 tweets
Sep 7, 2025
By 2034, your 9-to-5 job will be extinct.

That's Reid Hoffman's latest prediction.

He built LinkedIn in 2002.
He predicted social media in 1997.
He was early in PayPal, Airbnb, and OpenAI.

Here's what he says is coming next
(& how to survive it):🧵
Reid Hoffman isn't just another tech prophet.

He:
• Co-founded LinkedIn (sold for $26B to Microsoft)
• Led early investments in Facebook, Airbnb, OpenAI
• Predicted internet social shifts decades before they happened

When he talks about the future, smart people listen.
My X account isn’t monetized, so the best way you can support me is by clicking the link below. Every click helps me out a lot and keeps me motivated to keep creating for you all:

Click this link 👉 bit.ly/3USl1i7
Read 19 tweets
Sep 7, 2025
Most people hate the taste of alcohol, yet still drink it daily…

There’s only ONE reason for this - and it needs to change quickly.

I spent 100+ hours researching why people can’t escape their addiction.

Here’s the uncomfortable truth behind alcohol addiction:🧵
Alcohol is a drug.

In fact, it’s the most dangerous drug on the planet.

It does more harm than heroin, crack, and meth. Image
My X account isn’t monetized, so the best way you can support me is by clicking the link below. Every click helps me out a lot and keeps me motivated to keep creating for you all:

Click this link 👉 bit.ly/3USl1i7
Read 20 tweets

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