Can Your Fitness Predict Your Lifespan Better Than Your Cholesterol?

In 750,000 people tracked for a decade, fitness predicted early death better than cholesterol, blood pressure, or any other heart risk the...

Can Your Fitness Predict Your Lifespan Better Than Your Cholesterol?

In 750,000 people tracked for a decade, fitness predicted early death better than cholesterol, blood pressure, or any other heart risk the researchers measured.

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Today’s Health Upgrade

  • Arnold’s Corner: Monday Motivation

  • The Catch (Answered)

  • Need a creative spark: this works (and only takes 10 minutes)

  • Can your workout predict your longevity?

  • Workout of the week

Arnold’s Corner
Monday Motivation: Roll Downhill

Every day, I do the same thing to start.

The same routine. Everything on autopilot.

I wake up, start the coffee, feed the animals, drink the coffee, get on my bike, ride to the gym, work out, then ride to breakfast.

There is no thinking. There is no deciding.

My body knows the sequence, and it carries me through it before my mind has a chance to argue. Once that first sip of coffee hits, muscle memory kicks in and my body knows the next thing to do is get on the bike.

My routine is an anchor. It keeps me steady. It starts the day with a win.

By the time I finish breakfast, I have already done the hard part, and the day cannot tell me I accomplished nothing.

On the bad days, when I wake up and the world is black and white, the anchor brings it back to color. It usually happens somewhere on the bike ride. The legs start moving, the air hits my face, and the gray burns off. I did not think my way out of it. I rode my way out of it.

Last week I got to Budapest, where I am filming The Kellys, a really fun action movie. Liam Hemsworth and I are training in the same gym. My first day of shooting was a night shoot. Show up in the dark and work all night.

The animals were not there. The wake-up was not at 5 or 6 in the morning; it was in the afternoon.

Everything about the schedule was upside down. But I had my anchor, because the routine was the same.

Coffee, bike, gym, bike, breakfast. I did not have to figure out how to function in a strange city on a strange schedule because the anchor did not change. It does not care what country I am in or what time the sun is up. It just runs.

Your energy is limited — you only get so much of it in a day. When you spend it deciding whether to do the things you already know you should do, you have nothing left for the things that actually require thought.

From the first sip of coffee, everything rolls downhill.

Other people wake up and think. They wake up and plan. They lie there and run through the whole day before their feet hit the floor. And when you do that, everything becomes an uphill slog.

“Should I go to the gym? Maybe I will go later. Maybe I will start tomorrow.” Every one of those questions is a small fight, and you are picking the fight with yourself, first thing, before you have any strength to win it.

Mental processing power is expensive. You have all heard about how much energy Artificial Intelligence requires. What do you think your real intelligence costs?

It is a huge use of energy to sit there and figure things out as you go.

Your energy is limited — you only get so much of it in a day. When you spend it deciding whether to do the things you already know you should do, you have nothing left for the things that actually require thought.

You burned your best fuel lying in bed, scrolling through your phone, debating with yourself.

So do not decide. Build the anchor instead. Pick the sequence that starts your day and run it the same way every time, until your body does it without asking permission.

Start with one thing. For most of us, it is probably coffee. Decide tonight, not tomorrow morning, what comes after the coffee. Is it the run? Is it the gym? Is it an hour of studying?

Whatever it is, lock it in. Coffee, then the next thing. Build your anchor.

Let the whole routine roll downhill. Stop fighting yourself.

The day is hard enough.

You have plenty of things to think about.

Eliminate thinking in that first hour of the day with your anchor, and watch how much easier life becomes.

Stop dragging yourself uphill every day. Let’s roll.

The Catch (Answered)
What Phone Behavior Is Strongly Linked To Loneliness?

Every week, we feature “The Catch,” where we hide a trivia question in an email and then randomly select and reward those who submit the correct answers. We don’t tell you when it shows up, but daily readers get rewarded every week. Multiple people won a $20 gift for correctly answering the following:

FRIDAY’S CATCH: COMPULSIVE SCROLLING, WITHOUT CONNECTION

The behavior tied to greater loneliness wasn't being online — it was compulsive scrolling, using the phone to numb rather than connect.

The device isn't the culprit; what you do with it is. The same study found that directly messaging people you actually know was linked to lower loneliness, so two people with identical screen time can end up in opposite places depending on whether they're zoning out or reaching out. 

The practical move: when you catch yourself scrolling to numb, swap it for a real exchange: a message to someone you know or a short in-person conversation. Research on small, everyday interactions shows people almost always underestimate how much the other person welcomes it.

Here's the surgical rewrite — same voice, same structure, same paragraph count, near-identical length. Edits are confined to the accuracy problems; everything else is left alone.

Productivity
The 10-Minute Habit That Can Make You More Creative

Ever get stuck staring at a blank page or screen, waiting for a good idea to appear? Science says the best way to think differently might be to stop sitting still.

Researchers found that physical activity, and especially walking, can give your creative thinking a real boost.

In a large meta-analysis of 35 studies, researchers found that people who moved their bodies performed significantly better on creative thinking tasks than those who stayed seated. Even a single session of physical activity produced a modest but real improvement.

But when people made movement a regular habit—exercising regularly over days or weeks rather than a one-off—the effect more than doubled. The researchers note this is still an emerging area that needs more rigorous trials, but the pattern held up consistently.

While some studies highlight the benefits of being outdoors or seeing inspiring scenery, this review was about the act of movement itself.

In fact, a Stanford study found that people walking on a treadmill facing a blank wall still generated about 60% more creative ideas than those sitting in a chair. The improvements showed up in divergent thinking, the kind of creative, open-ended problem-solving used in brainstorming, innovation, and writing.

Researchers believe physical activity sharpens the mental machinery that supports attention, memory, and the back-and-forth between the brain's free-associating mode and its focused, controlling mode, which together help you connect unrelated ideas and think more flexibly.

Regular movement may also strengthen these processes over time, training your brain to shift gears and form new associations more easily.

If you want to boost your creativity:

  • Take a 10- to 15-minute walk before brainstorming or writing.

  • Schedule a few short walks each week to keep the creative benefits flowing.

  • Don't worry about pace or location—it's the motion that matters.

Whether you're drafting an email, designing something new, or solving a problem at work, walk before you think, and you might find your best ideas waiting around the corner.

Longevity
What If One Number Predicted Your Lifespan Better Than Your Cholesterol?

You probably know your cholesterol. And if not, you might be aware of your blood pressure, your weight, or your blood sugar. Any of these can be used to get a temperature check on your health.

But there's a number most of us have never measured that may say more about the years ahead.

In a study of 750,000 people, low fitness was linked to a greater risk of early death than any single cardiac risk factor the researchers tracked.

Researchers followed U.S. veterans between the ages of 30 and 95, and gave each a standardized treadmill test that estimates cardiorespiratory fitness in METs, the everyday stand-in for VO2 max (the most oxygen your body can use under hard effort). During the study, about 175,000 people died over the follow-up period, providing ample data to associate VO2 max with lifespan.

You might not know what a MET is, but a practical way to think about it: 

1 MET = sitting at rest (the baseline the whole scale is built on)
~3–4 METs = walking briskly on flat ground
~5–6 METs = walking briskly uphill, or a very light jog
~8 METs = jogging at a conversational-but-working pace
~10 METs = running a 10-minute mile
~12+ METs = sustained competitive-level running

Every one-MET step up in fitness was associated with a 13-15% lower risk of dying during the study. That’s basically saying improving from "I can walk briskly" to "I can jog comfortably" was associated with about a 13–15% lower risk of dying over the study period.

Put another way, the least-fit group carried about four times the mortality risk of the fittest. 

And the benefit didn't cap out: risk kept dropping the fitter people got, with no penalty for being extremely fit and no age group too old to gain. The most fit group had roughly an 80% lower mortality risk than the least fit group.

VO2 max is how much oxygen your heart can pump times how much your muscles can pull from the blood. It’s a single readout of your whole engine working together, and there are many ways to test it and improve it.

Since this is observational data, it shows association rather than proof, and part of the data also reflects that illness lowers fitness. But fitness is also one of the few markers you can directly change.

And that’s what makes the data so helpful. Because, the good news is, you don't need elite numbers to get healthier, and your workouts don’t have to make you suffer.

So start by focusing on a couple of easy aerobic workouts you can talk through. And when you’re ready, add 1-3 harder sessions per week. If you've been sidelined or have heart concerns, get cleared first, then start where you are.

Together With Rogue
Workout Of The Week: The VO2 Max Boosters

You just learned that VO2 max can help influence and improve how long you'll live.

And the research shows that even one hard workout, repeated consistently, can make a difference. 

Below are five ways to get there, and the equipment you can use to get it done. 

1. The 4x4 Workout (Norwegian Method)

The best way to do this is with an erg machine (Echo bike, ski erg, rower) lets you redline safely with zero technique breakdown. 

Warmup: 5-10 min easy

The Workout

  • 4 minutes pushing about as hard as you can maintain for that duration (~90% max heart rate, where holding a conversation would feel very difficult)

  • 3 minutes easy, trying to recover

Repeat 4 times, and then do a 3- to 5-minute cooldown at a slow pace.

Pump Club preferred equipment:

2. The Swing Session

Grab a kettlebell and get to work.

Warmup:
Goblet squats: 2 sets x 10 reps
Kettlebell swings: 2 x 10 easy swings

Workout

  1. Set a timer for 15 minutes.

  2. Perform 15 reps of a two-hand kettlebell swing every 30 seconds (rest the remainder of each interval)

Each set of 15 reps takes approximately 15 seconds, leaving you about 15 seconds to recover.

If you can't finish your 15 reps on time and you're past your honest stopping point, then call it a day. Never grind ugly swings to beat the clock. You might find that you need to adjust the weight to complete the entire workout.

Pump Club preferred equipment:

3. Sandbag Ground-to-Shoulder Flow

Warmup:
Bodyweight squats: 3 sets x 10 reps
Inchworm: 3 sets x 8 reps 

The Workout
A 3-minute continuous flow where you set a timer for 3 minutes and move from one exercise to the next until time is up:

  1. Deadlift the sandbag

  2. Walk 10 yards with the sandbag

  3. 5 sandbag squats

  4. Drop the bag. Take a few deep breaths.

  5. Deadlift again and repeat the 4-step flow until time is up.

Rest for 2 minutes. Repeat for 3-5 rounds total

Pump Club preferred equipment:

4. The Barbell Complex

Complexes shine because the bar never leaves your hands, which means your heart rate goes for a ride. But don’t let your ego get in the way. The whole complex is governed by your weakest lift, which is the press.

The workout

  1. Romanian deadlift: 5 reps

  2. Bent-over row: 5 reps

  3. Hang clean: 5 reps

  4. Front squat: 5 reps

  5. Push press: 5 reps

Rest for 2-3 minutes. Repeat for 3 to 5 rounds

Pump Club preferred equipment:

5. No Equipment, No Problem: The Bodyweight Crawl 

It doesn’t get much easier: Crawl, rest, repeat. 

The workout

  1. Bear crawl for 40 seconds as quickly as you can.

  2. Rest 20 seconds.

  3. Repeat for 6-8 rounds total

Give it a try, and start your week strong!

Five great workouts. None of them know what you did last week

You just got five solid workouts. We hope you try them. But also be honest about what you’re doing: These are individual workouts, not a program.

And that difference is everything.

A workout is one good day or week. A program is what turns a hundred good days into real results: progressing week over week, phase over phase, every session built on the last.

Most apps never crack that. They chase soreness. They hand you something shiny every Monday that looks new and has never been proven.

But sweat was never the goal. Getting better is.

The Pump Club app was built on Arnold's methods, then sharpened against 20+ years of evidence-based research. 

Proven training that's outlasted every fad, updated with the protocols that make your reps, sets, and exercises actually pay off. And then it does the one thing a single workout never can: it adjusts to help you progress, at your pace, around your goals.

Want to feel the difference? Get 7 days free — the full programs, the nutrition tracker, the weekly live coaching calls, and the community. Join free here.

Better Today

Take any of these tips from today’s email and put them into action:

1. Arnold Schwarzenegger's Morning Rule: Decide the Sequence Once, Then Stop Deciding

Arnold runs the same five-step sequence every morning — coffee, bike, gym, bike, breakfast — so his body executes it before his mind can argue. The point isn't the specific routine; it's that pre-deciding the sequence the night before spends zero willpower on choices he's already made, leaving his mental energy for things that actually require thought. Pick the one thing that follows your coffee tomorrow, lock it in tonight, and run it the same way until it stops being a decision.

2. Walking Produced About 60% More Creative Ideas Than Sitting

Stanford researchers found that people walking — even on a treadmill facing a blank wall — generated about 60% more creative ideas than people sitting. And a meta-analysis of 35 studies confirmed that movement reliably sharpens divergent thinking, the open-ended problem-solving behind brainstorming and writing. Physical activity appears to prime the mental machinery behind attention and the brain's switch between its free-associating and focused modes — the back-and-forth that lets you connect unrelated ideas — and making walks a regular habit produced a notably stronger effect than any single session. So stop staring at the blank page: take a 10- to 15-minute walk before you brainstorm or write, no special pace or scenery required, because the motion itself is the point.

3. Low Fitness Is A Consistent Predictor Early Death in 750,000 People

In 750,000 U.S. veterans tracked for a decade, low cardiorespiratory fitness predicted early death better than any single cardiac risk factor the researchers measured — and the least-fit group carried roughly four times the mortality risk of the fittest. Every one-MET step up in fitness, about the jump from "I can walk briskly" to "I can jog comfortably," was tied to a 13-15% lower risk of dying, with no ceiling: the benefit kept climbing in the fittest and the oldest. Because this is observational, it shows association rather than proof, but fitness is one of the few markers you can directly move, and both easy conversational cardio and short hard intervals raise it.

The Positive Corner of The Internet
About Arnold’s Pump Club Editorial Standards

We do things a bit differently here, starting with transparency.

  1. The Content: All APC emails are researched, written, and fact-checked by the APC editors (see bottom of the email), with written contributions from Arnold (noted with “Arnold’s Corner”). Links take you to original studies (not second-hand sources).

  2. Does AI play a role? Not for the primary content, but it is used in two ways. The main items are original content written by the APC team. The summaries at the end are AI-generated based on the human-written content above. We also use an AI tool to review our interpretations of the research and ensure scientific accuracy. We don’t assume AI is right, but we use technology to hold ourselves accountable.

  3. Yes, we have partners (all clearly noted by “Together With”). Why? Because it allows us to keep the APC emails free. We first test products, and then reach out to potential partners who offer ways to help you improve every day. The bar is set high, and to date, we have turned down millions in ad deals. (Example: we will not partner with any non-certified supplements or those without evidence in human trials). If we won’t buy the product, we won’t recommend it to you. And if there’s no evidence it works, then there’s no place for it here.

Publisher: Arnold Schwarzenegger

Editors-in-chief: Adam Bornstein and Daniel Ketchell


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