Author: Andrei Bilog M.Sc., CAPM

Everywhere you look, there’s a message that success comes down to willpower.

“Just push through.”
“Be disciplined.”
“Stay motivated.”

But here’s the uncomfortable truth: willpower is not unlimited. And believing that it is may actually make students and professionals—especially in healthcare and biotech—more exhausted, not more productive.

The idea that success comes from simply trying harder ignores what psychology and neuroscience have shown for decades: self-control is a limited mental resource. Understanding how that resource works may be the difference between burnout and sustainable performance.

Psychologists have long studied self-control and the concept known as ego depletion. This theory suggests that acts of self-control draw from a finite pool of cognitive energy. When that energy is used repeatedly, our ability to regulate behavior temporarily weakens (Baumeister et al., 1998).

In early experiments, participants who had to exert self-control in one task—for example resisting tempting food—performed worse on subsequent tasks that required discipline or persistence (Baumeister et al., 1998). Later studies expanded this idea, suggesting that mental fatigue and repeated decision-making can reduce cognitive performance and self-regulation (Dang, 2017).

Researchers often compare willpower to a muscle. It can become stronger over time with training, but it also gets tired when overused (Baumeister et al., 2007).

For students and professionals in high-demand fields like healthcare and biotech, this matters enormously. These environments constantly require:

Each of those activities draws from the same limited mental reservoir.

In healthcare environments, decision fatigue is more than a productivity issue—it can affect performance and judgment.

Studies show that when cognitive resources are depleted, individuals tend to default to easier choices, avoid complex decisions, or rely on shortcuts rather than analytical thinking (Vohs et al., 2008). In medical and clinical environments, this phenomenon—often called decision fatigue—can influence diagnostic accuracy, patient care decisions, and professional well-being.

Scientists and biotech professionals experience similar cognitive demands. Designing experiments, analyzing data, troubleshooting lab procedures, writing reports, and managing regulatory requirements all require sustained concentration.

After hours of intense cognitive work, the brain naturally becomes less efficient at regulating attention and decision-making.

It’s not a character flaw.

It’s human neurobiology.

I’ve seen this dynamic play out in my own life.

Between working in biotech, teaching anatomy labs, and building the UPkeeping Newsletter, there are days when the schedule feels relentless.

Some mornings start early with preparing lab materials or reviewing slides for class. Then there’s the full workday. Later in the evening, there might be writing, grading, or responding to student emails.

Earlier in my career, I believed the same myth many students believe:

“If I just try harder, I’ll get everything done.”

But after long stretches of back-to-back responsibilities, I noticed something interesting.

My productivity didn’t drop because I lacked motivation.

It dropped because my cognitive energy was depleted.

Even simple tasks started feeling harder than they should have. Concentration declined. Decision-making slowed.

Once I started learning about the psychology of self-control and cognitive fatigue, something clicked.

The goal isn’t to maximize discipline.

The goal is to protect your mental energy.

One of the anatomy labs I teach is paired with a different lecturer who teaches the lecture portion of the course.

After every quiz or exam, he drops off the Scantron sheets during lab and gives the same advice to students who didn’t perform well.

He tells them:

In other words, the solution is simple: study more.

I understand the intention behind the advice. Anatomy is a challenging subject, and students absolutely need to invest time into learning it.

But I’ve always disagreed with that message.

Because most students who struggle aren’t failing due to lack of willpower.

They’re struggling because their study strategy is inefficient.

I’ve seen students spend three or four hours rereading notes, highlighting slides, or passively reviewing lecture material. It feels productive, but research shows that passive review is one of the least effective learning methods.

So when those students hear “study three times more,” they often respond by doing the same ineffective method for longer.

Three hours of inefficient studying is still inefficient studying.

What actually improves learning isn’t simply more time. It’s how that time is used.

Research in cognitive psychology consistently shows that strategies such as retrieval practice, spaced repetition, and active recall lead to significantly stronger learning outcomes than passive review techniques (Roediger & Karpicke, 2006; Dunlosky et al., 2013).

In other words, the issue isn’t always effort.

It’s strategy.

Instead of simply telling students to “study more,” I often encourage them to:

These techniques engage the brain’s learning systems more effectively and require less brute-force willpower.

And this connects directly back to the myth we started with.

Success in demanding fields like healthcare and biotech isn’t about endlessly pushing yourself harder.

It’s about learning how to work with your brain instead of against it.

High performers rarely rely on constant motivation or endless discipline.

Instead, they design systems that reduce decision fatigue and protect mental energy.

For students and professionals in healthcare or biotech, that can look like:

Standardizing routine decisions
Eating similar breakfasts, following consistent study blocks, or using the same lab preparation workflow reduces daily cognitive load.

Protecting peak cognitive hours
Most people have specific times of day when their brain performs best. Scheduling complex tasks during those windows improves productivity.

Building recovery time
Sleep, exercise, and breaks help restore cognitive resources and improve self-control capacity.

Reducing environmental friction
Minimizing distractions and simplifying workflows allows you to conserve mental energy for the work that matters most.

Ironically, the most disciplined people often rely least on willpower.

They rely on structure.

The myth that successful people simply have stronger willpower ignores decades of psychological research.

Willpower is real—but it is also limited and fluctuating.

For students, clinicians, and scientists balancing demanding workloads, the lesson is clear:

Stop trying to out-discipline exhaustion.

Instead, design your environment and routines to protect your cognitive energy.

Because the goal isn’t to prove how hard you can push yourself.

The goal is to stay effective long enough to do meaningful work.

And that requires more than willpower.

It requires strategy.

Disclaimer: This article was assisted by AI-based language tools (ChatGPT, OpenAI) for drafting and organization. All content was reviewed by the author, and all claims are supported by peer-reviewed sources.

Baumeister, R. F., Bratslavsky, E., Muraven, M., & Tice, D. M. (1998). Ego depletion: Is the active self a limited resource? Journal of Personality and Social Psychology, 74(5), 1252–1265.

Baumeister, R. F., Vohs, K. D., & Tice, D. M. (2007). Self-regulation, ego depletion, and motivation. Social and Personality Psychology Compass, 1(1), 115–128.

Dang, J. (2017). An updated meta-analysis of the ego depletion effect. Psychological Research, 82(4), 645–651.

Dunlosky, J., Rawson, K. A., Marsh, E. J., Nathan, M. J., & Willingham, D. T. (2013). Improving students’ learning with effective learning techniques. Psychological Science in the Public Interest, 14(1), 4–58.

Roediger, H. L., & Karpicke, J. D. (2006). Test-enhanced learning: Taking memory tests improves long-term retention. Psychological Science, 17(3), 249–255.

Vohs, K. D., Baumeister, R. F., & others. (2008). Making choices impairs subsequent self-control: A limited-resource account of decision making, self-regulation, and active initiative. Journal of Personality and Social Psychology, 94(5), 883–898.