Dr Paddy Barrett Profile picture
Cardiologist who wants to help you prevent heart disease & live longer. Join over 20K+ others on the journey at https://t.co/TMgHNPXhci . Free 5 Day Course Below 👇
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Jan 11 23 tweets 4 min read
Exercise is probably the single best way to extend lifespan.

You need to exercise like your life depends on it.

Because it does.

Here's why.

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/1 Image When someone says they ‘want to get fit’, I typically have no idea what they mean.

How you exercise if you want to be an Olympic-level sprinter compared to running 5 km at the weekends is vastly different.

So when you say you want to exercise to get fit, to what end?
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Jan 5 23 tweets 6 min read
Is it possible to reverse coronary artery disease?

As a cardiologist, I get this question all of the time.

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/1 Image Every time I tell a patient they have coronary artery disease, their first response is usually:

“Can you get rid of it?”

My response:

Get rid of it completely?

No.

But....

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Jan 4 18 tweets 4 min read
Why you need to measure your apoB

To fully understand your cardiovascular risk.

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/1 Image Atherosclerosis occurs when a cholesterol particle becomes trapped in the artery wall.

It is the inflammatory response to this particle retention that causes the formation of atherosclerosis.

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Dec 29, 2024 13 tweets 4 min read
"What is a normal weight?"

As a cardiologist, I get this question all the time.

My answer is not what most people expect.

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/1 Image The answer to this question assumes

You are trying to optimise for health & the prevention of chronic disease.

If, however, you are looking to be a sumo wrestler or achieve a specific look?

"I ain't got nothin for ya"

But for disease prevention, the answer is clear...

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Dec 28, 2024 20 tweets 5 min read
A high V02 Max is the metric most closely linked to a longer life.

But what is V02 Max?

And more importantly, how do you increase it?

Because most people are doing it wrong.

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/1 Image V02 Max is the variable most closely related to longevity.

Sure, longevity is a complex multifactorial process with a good sprinkling of luck involved.

But A high V02 Max = A Much Lower Probability Of An Early Death.

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Dec 26, 2024 8 tweets 3 min read
I am 44. This is what I am doing to make sure I get to 84.

📕Make Sure To Bookmark✅ Image Exercise to increase V02 Max

Those in the top 20% of V02 Max percentiles are 4 times less likely to die over a 10 year time frame than those in the bottom 25%.

For those in the top 2.5% - Its 5 times. Image
Dec 7, 2024 17 tweets 4 min read
Lp(a) - probably the most important cholesterol test you have never heard of.
 
For those with a family history of heart disease, this is a must do test.
 
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/1 Image 90% of the risk factors for early heart disease have been described.
 
There are others we do not see or do not measure.
 
Lp(a) is one of them.
 
Knowing your Lp(a) level is crucial to understanding your cardiovascular risk.   
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Dec 1, 2024 20 tweets 4 min read
Hearing Loss is a major risk factor for dementia.

Most people are unaware of this fact.

And more importantly that this risk can be reduced.

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/1 Image Dementia is the fourth leading cause of death in the US and Europe.

A fact that most people are unaware of.

When considering major preventable diseases

We focus most of our attention on cardiovascular disease and cancer.

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Nov 24, 2024 6 tweets 3 min read
Cardiovascular Disease Is The Leading Cause Of Death Worldwide.

By Age 55 most Males will have some advanced plaque in their coronary arteries.

This happens at 65 for females.

Here are 3 ways you can reverse coronary artery disease. Image 1. Exercise

Multiple studies have shown regression of coronary artery disease with exercise.

A recent study examined the utility of HIIT based training and it resulted in a 1.4.% ⬇️ in plaque volume.

That might sound small, but a 1% ⬇️ is assoc with a 20% ⬇️ in events. Image
Nov 23, 2024 13 tweets 4 min read
"What is a normal cholesterol?"

As a cardiologist, I get this question all the time.

Most people are getting this all wrong.

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/1 Image When people ask this question

They are normally referring to their Total Cholesterol.

That number... is mostly irrelevant.

Here's what you need to look at.

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Nov 17, 2024 9 tweets 3 min read
Heart disease is the leading cause of death worldwide.

Insulin resistance is a key driver of that risk.

Insulin resistance is rarely tested for so most people are in the dark.

Want to shed some light on the problem?

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/1 Image Everyone is somewhere along the continuum of insulin sensitivity to insulin resistance.

Type 2 diabetes typically represents the most extreme end of insulin resistance.

Your risk is determined by where you sit on this line.

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Nov 9, 2024 11 tweets 3 min read
5 Essential Tests For Cardiovascular Health.

Most of these tests are easy to obtain. While others can be slightly tricky.

We will start with the most accessible and informative.

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/1 Image 1. Daily Step Count

Walking at least 7000 steps per day is associated with half the risk of dying from any cause over a ten-year time frame.

This is a huge deal.

There are very few, if any, things in medicine that are associated with that magnitude of benefit.

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Nov 3, 2024 12 tweets 4 min read
A huge percentage of adults have a condition that seriously increases their risk of heart disease.

The problem is.... most don't even know they have it.

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/1 Image Insulin resistance is a core risk factor for the three leading causes of death:

- Cardiovascular Disease
- Cancer
- Dementia

Not the cause.

But a massive amplifier of risk.

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Oct 23, 2024 13 tweets 5 min read
Most people are surprised when they have a heart attack.

They didn't see it coming.

They didn't have any symptoms leading up to it.

Why Does This Happen?

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/1 Image Let's start with what a heart attack really is.

Because most people have this a$$ backwards.

The general idea most people have is an artery progressively narrows because of plaque

And then closes over.

Voila... A Heart Attack.

That is NOT what happens.

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Oct 13, 2024 16 tweets 4 min read
How To Reverse Coronary Artery Disease With Lifestyle Measures.

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/1 Image Reversing or regressing coronary artery disease is possible.

But can coronary artery disease be reversed with lifestyle measures, including changes to nutrition and exercise?

The answer it seems, is yes, but the devil is in the detail.

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Oct 12, 2024 19 tweets 5 min read
Weight Loss Medications For Obesity Have Changed Everything.

The pace of change is incredible.

But with staggering weight reductions, there are some downsides.

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"There are decades where nothing happens; and there are weeks where decades happen"

Vladimir Ilyich Lenin.

This is what the world of weight loss medications feels like right now.

The introduction of semaglutide changed everything

But since then a LOT has changed.

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Oct 11, 2024 8 tweets 3 min read
As a cardiologist, I've seen thousands of patients over the years.

Here are the 5 things I recommend to every patient I see.

📕Make Sure To Bookmark✅ Image 1. Make Fitness A Priority

High levels of fitness have the strongest associations with longevity.

The evidence is overwhelmingly clear.

If you are not prioritising fitness.

You are leaving the biggest opportunity for benefit on the table. Image
Oct 6, 2024 7 tweets 3 min read
Over 60% of adults are not doing enough resistance training.

This likely has serious consequences for their health.

Here are 5 reasons why you should be doing resistance training.

📕Make Sure To Bookmark✅ Image 1. By age 80 some people have lost almost half of their muscle mass.

Most of this loss happens after age 60.

Low levels of muscle mass are associated with earlier deaths.

Resistance training delays the decay of muscle mass over time. Image
Sep 29, 2024 9 tweets 4 min read
As a cardiologist, here are 7 things that surprise most people about heart disease.

📕Make Sure To Bookmark✅ Image Most high blood pressure is termed 'Essential Hypertension'

Which is another way of saying - Unexplained.

But if you look closely, many patients with high blood pressure have insulin resistance

Which is a major driver & can be reversed with lifestyle measures. Image
Sep 28, 2024 18 tweets 5 min read
I hated running.

Then I learned about Zone training and exercising to specific heart rate zones.

It changed my life.

Here's why.

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/1 Image Those who are very fit versus unfit have a five-fold less chance of dying over a 10-year period.

There is practically nothing in medicine that can generate that type of difference.

But why does exercise have such a huge benefit?

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Sep 8, 2024 18 tweets 4 min read
Not all fat is created equal.

Some fat deposits carry far more risk than others.

Here's why & how to find out if you are at risk.

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/1 Image Greater amounts of fat are associated with a higher likelihood of an earlier death.

This should come as no surprise.

However, not all fat is created equal, and not all of it comes with the same magnitude of risk.

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