Still Learning: Why the Most Powerful Longevity Tool Costs Nothing and Takes 10 Minutes a Day
The wind at Blouberg Beach doesn’t negotiate.
Salt-spray stings my eyes as it comes straight off Table Bay, gusty and wild. The shore break punishes hesitation. I’m on a kite board. It sounds elegant. It isn’t. Picture a man in his late forties getting tossed by the Atlantic, his kite ignoring every command. The water hits like concrete if you miss the angle. The shore break knocks you down before you can stand. Your body gets battered. Your ego gets it worse.
I chose this. I’m getting better. That’s what matters. A few weeks ago, I couldn’t water-start without faceplanting. After two months, I will ride, turn, stay upwind on a good day, and read the gusts well enough to know when to bail. Progress. The kind you only get by showing up as a beginner somewhere that doesn’t care about your resume.
More than 25 years ago, in a snowed-in mountain lodge near Tengboche Monastery in Nepal’s Khumbu region, I sat with a question most people never ask early enough. I was in my twenties, months into surgical work at a trauma hospital in Kathmandu. I’d seen enough broken bodies and close calls to slow down. The Buddhist monks moved through their morning rituals in the cold. The snow had decided I wasn’t going anywhere. Three goals crystallized that week. Impact. Fun. Lifelong learning.
The last one matters most. It fits me in a way that drives my wife crazy. Name a subject, and I’ve probably read about it, taken a course, found an expert, bought the gear, and I’m ready to join in.
Twenty-five years later, I’m on a kite board in Cape Town, learning for real. My kids are picking up Afrikaans at school. My wife gets pulled into new things she never asked for. I spend every day I can on the water or writing, both things I want to master.
I chose lifelong learning because it felt right. Turns out, science says it’s the best thing I could have done for my brain.
The Expensive Illusion of Staying Current
Here’s a number that should bother every professional who sits through mandatory training: 70-90% of workplace learning never transfers to actual job performance [1]. Billions spent globally. Courses completed. Certificates earned. And almost none of it changes what people do on Monday morning.
That’s not a training problem. It’s a learning problem. Most professionals mix up the two. They go to conferences. They subscribe to newsletters. They listen to podcasts between meetings. They call it “staying current.” It isn’t. At best, it’s maintenance. At worst, it’s just passive. None of it makes you uncomfortable. None of it puts you in a spot where you have to figure things out with your hands, your body, your full attention.
When was the last time you learned something that made you feel truly incompetent? Not just challenged. Incompetent. The kind where your body won’t do what your brain wants, where you fail in front of others, where the gap between knowing and doing is so wide it’s almost funny.
If you can’t answer that right away, your brain is already paying for it.
The Biology of Staying Sharp
Your brain builds what researchers call cognitive reserve. It’s backup capacity, built through challenge, novelty, and staying mentally active [2]. Think of it as extra wiring. People with high cognitive reserve can handle more brain damage (like the plaques of Alzheimer’s) before symptoms show up. Lifelong learners cut their risk of dementia in half compared to people who check out [3]. That’s not a small effect. It’s one of the strongest findings in brain science.
Neuroplasticity is the engine. This isn’t just a metaphor. When you learn, your brain thickens the insulation around its wiring, speeds up signals, and builds new connections [4]. Stop learning, and that wiring starts to break down. There’s no neutral. You’re either building or losing.
The biological fuel is BDNF, brain-derived neurotrophic factor. Think of it as fertilizer for neural growth. Exercise triggers its release. Chronic stress suppresses it. A meta-analysis confirms the link is strong and consistent [5]. Most professionals are running on depleted soil without knowing it. Longitudinal data confirms the upside: older adults who engage in continued learning show better cognitive trajectories and report higher life satisfaction [6][7].
You don’t decline because you age. You age faster because you stop learning. Most people think decline is just biology. It isn’t. The data says you can change it. More years in school raise your starting point, but they don’t slow the slide [8]. What does? Learning something new, right now. Not your degree. Not your job title. The thing you picked up last month. Credentials help your resume. Curiosity helps your brain.
That kiteboard at Blouberg? It’s a jackpot for your brain. Everything science says you need (challenge, novelty, movement) packed into one wild, humbling session. The worse I do, the better for my brain. Every wipeout is a lesson getting wired in.
What’s Quietly Destroying the Machinery
Building up your brain is the easy part. But four things quietly wear it down. They all look like productivity on the surface.
Chronic stress is toxic for learning.
Cortisol damages the hippocampus, your memory center, and shrinks it over time [9]. At the same time, your amygdala grows. Your brain shifts from thoughtful analysis to threat scanning. Sound familiar after four meetings in a row?
Switching tasks drains your capacity.
Multitasking can slash your output by 40% [10]. Even when you switch back, part of your brain is still stuck on what distracted you [11]. You’re never really present. Not for learning, not for deep work, not for your family at the end of the day.
Sleep deprivation breaks your brain’s ability to consolidate learning.
Most people miss this. You don’t learn while you study. You learn while you sleep. Deep sleep stores new memories. REM sleep helps you solve problems [12]. Cut your sleep, and you lose REM first. Even five or six hours a night hurts your memory as much as pulling an all-nighter [13]. Less than six hours, and your focus falls apart. You’re as impaired as if you’d been drinking [14].
I learned this the hard way. After a night of bad sleep from too much wine at my birthday dinner, I showed up for a kite session, thinking I could push through. I understood every new technique my instructor showed me, but I couldn’t do them. My timing was off. My reactions were slow. I kept making the same mistakes. My brain was there. The rest wasn’t.
Metabolic dysfunctions put a hard cap on your brainpower.
If you’re insulin-resistant, your brain can’t use its main fuel. Middle-aged adults with metabolic syndrome have worse memory and focus [15]. There’s a hard ceiling on performance that no amount of studying can break.
Grinding harder isn’t discipline. It’s self-sabotage. Skip sleep to study, push through exhaustion, or multitask your way through learning, and you’re fighting your own biology. Grinding feels heroic. Growing feels humbling. That red-eye flight where you plan to catch up on reading? Your brain won’t remember a thing. Squeeze in a podcast between meetings? You’ll forget almost all of it. How you learn matters more than how long you learn.
This is the Capacity pillar in my Upward ARC framework. Activate keeps your body going. Recover brings your nervous system back to baseline. Without Capacity, that baseline drops over time. Lifelong learning is what raises the ceiling. Protect the machinery first. Then ask it to perform.
Try This Today
The 10-Minute Retrieval Session. Don’t study more. Recall more. After you learn something, close it and write down three key points from memory. Don’t check your notes. Retrieval practice doubles your retention compared to just reviewing [16][17]. The struggle is the point. Try it during your commute, before your next meeting, or while walking to the car after a session.
The Sleep-as-Consolidation Reframe. Stop seeing sleep as lost time. It’s when learning happens [12]. Stop taking in new information 30 minutes before bed. Do a quick brain dump to clear your head. Protect at least 7 hours [14]. If you’re a parent with broken nights, one solid 4-hour block is better for slow-wave sleep than 7 interrupted hours. Continuity matters more than total time.
The Novel Skill Commitment. Not a course. Not a certificate. Pick something truly new where you’re a real beginner. A language. A sport. An instrument. Being bad at something is the signal your brain needs [4]. Activities that mix movement, social, and thinking skills are exactly what the research points to [2][3]. Start with something fun. Intrinsic motivation keeps you going long after discipline fades.
The Parking Lot Method. When you’re learning or doing deep work, keep a notepad close. When a distracting thought pops up, write it down and get back to work. This clears your working memory, prevents attention residue [11], and helps you learn better. Use it in meetings, on flights, or during study blocks.
Still Learning
It’s been twenty-five years since that lodge in the Himalayas. The three goals still stand.
Impact looks different now. Fun still runs the show. My kite instructor is one of the kindest people I’ve met. He watches me at Blouberg, session after session, making jokes when the kite wins, not taking it seriously, laughing with me when I nail something and mess up the next. I think he’s puzzled that I can have this much fun while getting beaten up. But that’s the thing about fun. It’s not separate from learning. It’s what brings you back, sore and sunburned, ready to go again. And it works. I’m still a novice, but I’m better than the person who started a few weeks ago.
Tilda, my oldest, scored 8 out of 10 on her first Afrikaans test in 6th grade. She’s been in Cape Town for six weeks. My other two are picking it up just as fast. They learn because the conditions are right: novelty, immersion, and no fear of looking stupid. Kids’ brains drink novelty; ours just sip. The science explains why it works. The kids just do it.
My wife still rolls her eyes. I’m still a beginner, still getting tossed by wind I can’t read.
I wrote those three goals in a snowed-in lodge when I was twenty-something and thought I was wise.
I was just getting started. Still am.
Stay healthy.
Andre
References
[1] Blume, B. D., Ford, J. K., Baldwin, T. T., & Huang, J. L. (2010). Transfer of training: A meta-analytic review. Journal of Management, 36(4), 1065-1105.
[2] Stern, Y. (2012). Cognitive reserve in ageing and Alzheimer’s disease. The Lancet Neurology, 11(11), 1006-1012.
[3] Meng, X., & D’Arcy, C. (2012). Education and dementia in the context of the cognitive reserve hypothesis: A systematic review with meta-analyses and qualitative analyses. PLoS ONE, 7(6), e38268.
[4] Fields, R. D. (2014). Myelin: More than insulation. Science, 344(6181), 264-266.
[5] Szuhany, K. L., Bugatti, M., & Otto, M. W. (2015). A meta-analytic review of the effects of exercise on brain-derived neurotrophic factor. Journal of Psychiatric Research, 60, 56-64.
[6] Wang, N., Xu, H., Dhingra, R., Xian, Y., McConnell, E. S., Wu, B., & Dupre, M. E. (2025). The impact of later-life learning on trajectories of cognitive function among U.S. older adults. Innovation in Aging, 9(5), igaf023.
[7] Noble, C., Medin, D., Quail, Z., Young, C., & Carter, M. (2021). How does participation in formal education or learning for older people affect wellbeing and cognition? A systematic literature review and meta-analysis. Gerontology & Geriatric Medicine, 7, 1-12.
[8] Seblova, D., Berggren, R., & Lövdén, M. (2020). Education and age-related decline in cognitive performance: Systematic review and meta-analysis of longitudinal cohort studies. Ageing Research Reviews, 58, 101005.
[9] Arnsten, A. F. (2009). Stress signalling pathways that impair prefrontal cortex structure and function. Nature Reviews Neuroscience, 10(6), 410-422.
[10] Rubinstein, J. S., Meyer, D. E., & Evans, J. E. (2001). Executive control of cognitive processes in task switching. Journal of Experimental Psychology: Human Perception and Performance, 27(4), 763-797.
[11] Leroy, S. (2009). Why is it so hard to do my work? The challenge of attention residue when switching between work tasks. Organizational Behavior and Human Decision Processes, 109(2), 168-181.
[12] Diekelmann, S., & Born, J. (2010). The memory function of sleep. Nature Reviews Neuroscience, 11(2), 114-126.
[13] Crowley, R., Alderman, E., Javadi, A. H., & Tamminen, J. (2024). A systematic and meta-analytic review of the impact of sleep restriction on memory formation. Neuroscience & Biobehavioral Reviews, 167, 105929.
[14] Pilcher, J. J., & Huffcutt, A. I. (1996). Effects of sleep deprivation on performance: A meta-analysis. Sleep, 19(4), 318-326.
[15] Yates, K. F., Sweat, V., Yau, P. L., Turchiano, M. M., & Convit, A. (2012). Impact of metabolic syndrome on cognition and brain: A selected review of the literature. Arteriosclerosis, Thrombosis, and Vascular Biology, 32(9), 2060-2067.
[16] Dunlosky, J., Rawson, K. A., Marsh, E. J., Nathan, M. J., & Willingham, D. T. (2013). Improving students’ learning with effective learning techniques: Promising directions from cognitive and educational psychology. Psychological Science in the Public Interest, 14(1), 4-58.
[17] Karpicke, J. D., & Roediger, H. L. (2008). The critical importance of retrieval for learning. Science, 319(5865), 966-968.
A note for new readers:
I’m a trained reconstructive facial surgeon, medical doctor, and dentist. Before launching this newsletter, I had a varied career: competitive freestyle wrestler, management consultant (McKinsey), entrepreneur (Zocdoc, Thermondo, and docdre ventures), and corporate executive (Sandoz). Today, I’m a Managing Director and Partner at BCG.
Husband of one. Father of three. Split between Berlin’s urban pulse and our Baltic Sea retreat. I’d rather be moving than sitting. Not just hobbies. Research. My body is my primary laboratory; I’ve been conducting experiments for decades.
If this is your first time here, welcome. I’m excited to share what I’ve learned and will continue to learn with you.
DISCLAIMER:
Let’s get one thing straight: None of this, whether text, graphics, images, or anything else, is medical or health advice. This newsletter is here to inform, educate, and (hopefully) entertain you, not to diagnose or treat you.
Yes, I’m a trained medical doctor and dentist. No, I’m not your doctor. The content here isn’t a replacement for professional medical advice, diagnosis, or treatment.
If you have questions about your health, talk to your physician or a qualified health professional. Don’t ignore their advice or delay getting care because of something you read in The Upward ARC. Be smart. Do your research. And, as always, take care of yourself.