Welcome to the positive corner of the internet. We’re here to make your life healthier, happier, and less stressful. At the bottom of each email, we explain our editorial process, stance on AI, and partnership standards.

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Today’s Health Upgrade

• The Catch

• Number you won’t forget

• What are you not protecting?

• Weekly wisdom

• Foods are super

The Catch
Find the Answer (And Win A Prize)

Every week, we test what you’ve learned in an APC email. View this like a scavenger hunt. Read the question below, submit the correct answer here, and we’ll randomly select 10 correct answers (not the first 10 people to answer correctly) with a $20 gift card to the Pump Club store.

The Catch: Today's email includes new research on short workouts that improved heart and lung performance. You’ll learn that short workouts improve how efficiently your heart and lungs work under effort. However, one health marker that doctors check at nearly every visit showed no significant change. What was that health marker?

Submit your answer here.

Health
Number You Won’t Forget: 5 Minutes

Why A 5-Minute Workout Does More For Your Health Than You Think

Most people assume that improving their health requires a gym membership or a lot of time spent exercising. New research suggests the floor is much lower, and that changes what "not enough time" actually means.

Two brief exercise bouts per day, each lasting as little as five minutes, can meaningfully improve cardiovascular fitness.

A meta-analysis reviewed 11 randomized controlled trials involving inactive adults aged 18 to 74. Participants completed ultra-short workouts, typically under five minutes, several times daily, lasting anywhere from four to twelve weeks. Younger and middle-aged adults primarily climbed stairs; older adults performed leg exercises and tai chi. All sessions ran at moderate-to-vigorous intensity.

Participants saw significant improvements in how efficiently their hearts and lungs sustain effort over time. 

And when you consider how much people struggle to exercise consistently, adherence was greater than 80% and compliance greater than 90%, both unusually high for exercise interventions, particularly among beginners.

If you’ve found yourself struggling to exercise, the best place to start might just be taking 5 minutes to sprint up some stairs or bang out a few sets of squats or pushups.

But, while this will make a difference for your health, it won’t necessarily dramatically influence the number on the scale. While exercise snacks improved cardiovascular function, they did not significantly move the needle on body composition, muscle strength, or blood pressure. 

In other words, this isn't a fat-loss strategy or a path to building muscle. It's a research-backed way for inactive people to build a healthier heart, which has real consequences for energy, disease risk, and long-term quality of life.

If you need a place to start — or know someone else who does — the first steps to getting healthier aren’t dramatic, and you can see changes in as little as a month. 

Together With DeleteMe 
What Are You Not Protecting?

You wear sunscreen to protect your skin. You lift weights to protect your muscles. You eat well to protect your heart. But there’s another part of you that’s just as vulnerable, and most people never think to protect it.

Your personal information is like your digital body. And right now, it’s being sold to the highest bidder.

Why are we talking about personal information? Because, as the positive corner of the internet, we have an obligation to protect you from the silent threats. And this one hit us personally recently. A close friend had too much personal information online, which led to identity theft that cost them tens of thousands of dollars. 

And that’s when we went looking for a solution.

Hundreds of data brokers legally collect and sell your name, address, phone number, and even your relatives’ names to anyone with a credit card. That means scammers, spammers, and who-knows-who can find your private details with a few clicks.

You wouldn’t hand your house keys to a stranger, so why let your information sit out in the open?

DeleteMe is like a personal trainer for your privacy. It does the heavy lifting for you, automatically finding and removing your personal data from hundreds of data broker sites, then keeping it off.

You get a detailed privacy report showing what they found, what they deleted, and where your information was exposed. And their team of real privacy advisors is always there to help.

Your body deserves protection. So does your identity. Check out DeleteMe and use code “PUMPCLUB” for 20% off your DeleteMe plan.

Because staying healthy isn’t just about exercise, nutrition, and connection, it’s about eliminating the stressors you can easily avoid.

Mindset 
Weekly Wisdom

There's a version of your life that exists only in harbor.

Not because you failed to build something worth sailing. But because the harbor got comfortable. The harbor has good coffee. The harbor doesn't require you to be brave on a Tuesday when you're already tired.

Most of us don't stay small because we're lazy. We stay small because we're strategic. We've built elaborate systems of busyness — full calendars, reasonable excuses, next quarters, one more certifications — that feel like movement but function as anchors. 

Staying busy is one of the most sophisticated ways humans have ever invented to avoid doing the thing they actually want to do.

Here's the harder question Shedd's line forces: What did you build for?

Not generally. Specifically. What capacity do you have — the skill, the voice, the idea, the relationship — that exists in harbor right now, protected and unused? Because the tragedy isn't risk. The tragedy is a ship that was designed to cross oceans, dry-docked and gleaming, while the sailor tells everyone he's "almost ready."

Almost ready is harbor language.

The thing about comfort zones is that they don't announce themselves as fear. They announce themselves as wisdom. 

I'm being patient. I'm waiting for the right moment. I'm not being reckless. All reasonable sentences. All things people say when the harbor feels safer than the sea.

And sometimes waiting IS wise. 

The problem is that most of us can't tell the difference between strategic patience and sophisticated avoidance. So we never ask the question honestly. We wait until "someday" feels safer, which it never does. Because the harbor doesn't get smaller. It gets more familiar. 

Familiarity and fulfillment are not the same thing.

This isn't about blowing up your life. Most meaningful voyages start with one nautical mile, not a transatlantic crossing. But that first mile has to be real. It has to require something from you. It has to take you somewhere the harbor can't reach.

Arnold talks about this differently. He says that every time he stepped onto a stage — bodybuilding, Hollywood, politics — the preparation mattered far less than the moment he committed to going. Commitment isn't confidence. Confidence comes after. Commitment is what gets you off the dock.

You don't need to feel ready. You need to be done waiting to feel ready.

Turn Wisdom Into Action

This week, do two things:

First, name the harbor. One area — just one — where you're protecting something instead of using it. Not the thing you're afraid to try. The thing you already know you should do but haven't. The project. The conversation. The application. The call. Write it down.

Second, design the smallest possible voyage. Not the whole journey. One step that leaves the dock. It should feel slightly uncomfortable but completely doable. Send the email. Register for the thing. Say the thing out loud to one person. The step should require courage proportional to a single Tuesday, not a lifetime supply.

Safety isn't a life plan. It's a feature, not a destination.

You weren't built for harbor.

Foods Are Super
Why a Bowl of Berries Punches Above Its Weight

If you're looking for a low-effort food upgrade with a surprisingly broad payoff, berries are hard to beat — and the science backs it up.

Adding berries to your diet can do everything from supporting cognitive function to improving your heart health. 

A meta-analysis of 22 randomized controlled trials found that regular berry consumption was linked to small but meaningful improvements in heart-health markers, including LDL cholesterol (down about 8 mg/dL), systolic blood pressure (down nearly 3 mmHg), and BMI. 

A larger analysis of 44 trials and 15 long-term cohort studies zeroed in on anthocyanin-rich berries — blueberries, cranberries, bilberries, and blackcurrants — and found similar lipid improvements alongside associations with lower cardiovascular risk over time.

Berries aren't a replacement for movement, sleep, or other foundational habits, but they can support your health goals. Think of them as a small, steady tailwind rather than a magic bullet. 

And "berries" isn't just one food. The strongest evidence is for deeply pigmented varieties (blue, purple, red). Strawberries and raspberries are still terrific foods; they just haven't shown the same consistent cardiovascular signal in the research.

The research suggests aiming for roughly a cup most days. And frozen counts too, and is usually cheaper, lasts longer, and is often picked riper than what's in the fresh produce aisle. Toss them on Greek yogurt, blend them into a protein shake, stir them into oatmeal, or just grab a handful straight from the freezer.

It's one of the rare cases where the simplest advice — eat more of them — is also supported by the evidence.

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). 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.

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Publisher: Arnold Schwarzenegger​

Editors-in-chief: Adam Bornstein and Daniel Ketchell