Sean Kelly Profile picture
Aug 18, 2024 23 tweets 7 min read Read on X
In 1967, the Sugar industry secretly funded a research.

This research fooled the government, demonized fat, and made sugar the silent killer.

How a $50K bribe started an obesity epidemic that now costs US $200 Billion a year:

A thread 🧵 Image
These numbers are pretty shocking:

• 2 in 5 people in the US are obese
• Obesity costs $200 Billion to the US every year
• Approx 36% of people consume fast food every day
• The US spends more on healthcare than education! Image
It all started at the end of the World War II.

As the war ended, America's economy grew by 400% within just 20 years.

People could now afford Cars, TVs, and other discretionary items.
This led to a sedentary lifestyle and gave birth to the famous "TV dinner".

People became increasingly exposed to ads for overly processed food.

And the middle class started shifting towards consuming an abundance of packaged products. Image
The economy was booming and everyone was living a happy life.

But then something crazy happened.

8 US senators died of heart attack within a span of a few years.

Even President Eisenhower suffered a heart attack. Image
But that wasn't all.

Heart attacks were becoming increasingly common amongst middle-aged American men and nobody could figure out why.

The nation was in shock and the public was desperate for answers.
Ancel Keys, an American nutritionist blamed the amount of fat in the American diet.

He suggested that diets high in saturated fats and meat could raise LDL cholesterol.

This is how a typical restaurant menu looked back then 👇 Image
But a British physiologist had a completely different take.

John Yudkin said that sugar was the cause of heart disease and obesity.

When the Sugar Association heard this, they started funding Keys' research. Image
The sugar industry paid almost $50K to three scientists.

In 1967, these scientists published a research paper on sugar, fat, and heart disease.

It aimed to minimize the link between sugar and heart health & put the blame on saturated fat. Image
Several other published studies also put the blame on fat.

One of the few basic and essential macronutrients that humans had been eating for centuries was turned into a culprit.

So Senator George McGovern called a hearing in 1977.
The idea was to come up with dietary goals for the nation.

And they certainly did.

The U.S. dietary goals recommended eating more carbs and reducing fat consumption. A horrible directive. Image
Americans heard it like this: Fat is bad. Carbs are good.

The food industry saw this as an opportunity and introduced things like:

- Fat-free yogurt
- Fat-free cookies
- Fat-free chips

The formula was: Take out the fat; add lots of sugar.
Food with "No-fat" labels started flying off the shelves.

Pretzels were good (no fat), nuts were bad (loaded with fat).

This was one of the dumbest moves in the history of America. Image
The "low-fat" craze hit America like a tidal wave.

Americans gobbled "fat-free" and "low-fat" options, thinking they were making healthy choices.

But these products were loaded with sugar to compensate for taste.
A single "low-fat" yogurt often contained more sugar than a candy bar.

The result? Americans were unknowingly consuming more calories than ever before.

By 1999, the average American ate 530 more calories per day than in 1970.

That's like adding a daily Big Mac to your diet. Image
And it showed. Obesity rates skyrocketed.

In 1980, about 15% of American adults were obese.

By 2000, that number had doubled to 30%.

The food industry was destroying the population's health. Image
Fast food chains introduced "super-size" options.

A large soda used to be 21 ounces. But by the 2000s, it had ballooned to 42 ounces.

That's double the amount of liquid sugar in a "single serving."

And it wasn't just soda. Everything got bigger. Image
The average pizza slice grew 70% in calories between 1982 and 2002.

A typical muffin went from 210 calories in the 1990s to 500 calories in the 2000s.

Even seemingly healthy options weren't safe. Image
By 2018, nearly 1 in 5 American children were obese.

The cost? Astronomical.

Medical costs related to obesity hit $200 Billion.

That's more than the US spends on education each year. Image
But how do we improve this dire situation?

Act in opposition to the recent past & get back to nature. Encourage consumption of:

• Healthy fats
• High quality proteins
• Low-glycemic, unprocessed carbs

And, of course, minimize sugar intake.
RT the first tweet if you found this thread valuable.

Follow me @seanpk for more threads on entrepreneurship, investing and human performance.
A bit about me:

20 years ago, I was a broke biomedical engineering college student trying to get my first biz off the ground.

Since then, I’ve grown six 7-figure businesses, three 8-figure businesses & raised $50M+ in VC. I'm also a General Partner at The Family Fund.
And I do all of this while prioritizing my health, traveling for fun every month & not grinding 247.

I go deeper into everything I’ve learned about building businesses, investing & founder performance in my newsletter.

Join thousands of founders here: get.founderiv.com

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More from @seanpk

Apr 29, 2025
The wellness industry wrecks millions of lives.

Not with poison, but with performance protocols that do more harm than good.

The scientific evidence is undeniable.

Here are the 4 "health hacks" that are actually TERRIBLE for you:🧵
The wellness market will hit $7.32 trillion this year (already at $7.2T).

Yet we are sicker than ever. But the industry keeps exploiting us.

Why? Well, we humans are drawn to quick fixes—it's in our DNA.

Here are the 4 optimization hacks making things worse: Image
Hack #1: Extreme Calorie Restriction

The CALERIE trial studied 25% calorie restriction in healthy adults. The results shattered the myth of extreme dieting.

Bones became brittle. Anemia set in. Sex drive vanished. And women lost their periods.

It was pure destruction...
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Apr 15, 2025
In 1879, one man made an invention that shaped the modern world.

But accidentally sabotaged our health...

It disrupts sleep, triggers disease, and increases death risk by 34%—yet we can't live without it.

Here's what scientists discovered about its impact on human longevity:🧵 Image
Thomas Edison invested $40,000 (about $850,000 today) to create the first practical light bulb.

That investment was astronomical...

But it led to his breakthrough:

In October 1879, his lamp burned for 2 days, which was incredible at the time, and that paved the way...
By 1940, 90% of urban homes had electric lighting.

For the first time in human history, we broke free from nature's rhythms.

We could work, play, and live whenever we wanted.

It seemed like progress...but our biology tells a different story:
Read 16 tweets
Apr 9, 2025
The world's most powerful people are impossible to reach.

No email, no SMS, no Instagram.

Meanwhile, the average person loses 40% of their workday to interruptions.

Here's the solution that might be your most valuable career move (it's so simple you'll laugh): Image
Warren Buffett's calendar is basically empty.

Elon Musk structures his day in 5-minute blocks.

Jeff Bezos only handles decisions requiring significant judgment.

This isn't a coincidence; it's a deliberate strategy that separates extraordinary achievers from everyone else...
The cost of constant availability is staggering.

Each time you check a notification, your brain experiences "switching costs" – delays from shifting attention.

After an interruption, it takes 23 mins to regain concentration.

No wonder we feel mentally drained by the day's end. Image
Read 16 tweets
Apr 3, 2025
This is the hidden curse of successful people.

It destroys motivation, crashes dopamine, and breaks high performers—right when they're winning.

Recently, I've analyzed this achievement paradox.

What I found is shocking 🧵 Image
Success feels amazing at first.

Each win floods your brain with dopamine—the "motivation molecule" that drives motivation and reward.

But there's a dark side to this rush that nobody talks about.

A hidden trap that ensnares high performers when they least expect it...
Your brain's reward system gets overwhelmed.

Like a muscle, it needs time to recover between "workouts."

But most high achievers never let up.

They chase win after win, milestone after milestone.

And that's where things start to unravel:
Read 14 tweets
Mar 28, 2025
Meet Steve Job's arch-enemy:

Money.

His $7 billion fortune couldn't save him from one fatal medical mistake.

Here's how having unlimited resources can impact your lifespan: 🧵 Image
Jobs revolutionized technology, building Apple into the world's most valuable company.

He amassed a $7 billion fortune and became Disney's largest shareholder through Pixar.

Yet in October 2003, he received news that would change everything:
A rare pancreatic neuroendocrine tumor.

Despite unlimited resources and access to the world's best doctors, Steve rejected conventional medicine for 9 months.

Instead, he pursued alternative treatments:
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Mar 20, 2025
Singapore will jail you for 15 years if you use chemicals in food.

But most of America probably ate it for breakfast.

It's found in yoga mats, shoe soles, and...our BREAD.

Here's the disturbing reason why the FDA allows this banned substance in your sandwich:🧵 Image
It's called azodicarbonamide (ADA).

And it's not just in your breakfast bread.

It's in bagels, pizza dough, pastries & more. It's EVERYWHERE.

Singapore banned it for good reason, here's what I mean:
When heated during baking, it breaks down into compounds linked to:

• Respiratory issues
• Immune system damage
• Cancer in animal studies

And yet, the FDA says it's "Generally Recognized as Safe."

Here's where it gets disturbing:
Read 17 tweets

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