Hi {{first name | there}},

If I had to design a longevity sport from scratch, I probably would not start with a $10,000 bike, a VO2 mask, or a watch that congratulates you for being alive.

I would start with a plastic ball, a small court, a few people who expect you to show up, and a game that makes lateral movement feel like fun.

Annoyingly, that is pickleball.

Because one rally asks for a weirdly complete set of aging-relevant skills: fast force, braking, balance, reaction time, visual tracking, hand-eye coordination, short cardio bursts, tendon tolerance, and social pull.

So yes, I am willing to call pickleball close to the ultimate longevity sport.

If you love it, play it better.

If you hate it, steal the physiology.

Stick till the end for the no-court version.

Nobody wakes up excited to "prevent frailty."

So think of it as building resilience instead.

Frailty is better understood as loss of reserve. The margin, which is resilience, shrinks between ordinary life and decompensation.

A fall that should have been a bruise becomes a fracture. A mild infection becomes a hospitalization. A long travel day becomes three weeks of decline. A quiet winter becomes a new baseline.

Resilience is the practical opposite: enough muscle, coordination, reaction speed, aerobic capacity, and tissue tolerance that stress does not immediately become decline.

Building resilience is the essential spirit of longevity training. But that is not just supplements, zone 2, and biomarkers with better branding.

The question is not, "What is the best exercise?"

It is:

What capacity am I trying to preserve?

Pickleball did not come out of a pandemic sourdough starter.

It was invented in the summer of 1965 on Bainbridge Island, Washington, by Joel Pritchard, Bill Bell, and Barney McCallum. They were trying to entertain bored families with a badminton court, improvised paddles, and a plastic ball. According to USA Pickleball's official history, Joan Pritchard named it "Pickle Ball" after the "pickle boat" in crew: the leftover rowers thrown together in one boat. The dog Pickles came later.

The sport itself is a pickle boat: badminton court, table-tennis-ish paddles, plastic ball, backyard rules, bored families.

Then the pandemic gave it a second life.

SFIA participation research reports that U.S. pickleball participation rose from about 4.2 million players in 2020 to 24.3 million in 2025, a 479% increase.

COVID did not invent longevity medicine either, but it definitely triggered its explosive growth in the last few years. It made the central question feel less theoretical: how much reserve do you have when the world changes?

Isolation, metabolic risk, immune reserve, mobility, outdoor space, and the cost of a body without enough resilience all landed at the same time. The modern longevity conversation became important because vulnerability became harder to ignore.

Pickleball fit that moment because it is outdoor-friendly, intergenerational, social, learnable, and easy to be mildly bad at without needing a new identity.

Aging is especially rude to fast-twitch muscle.

Human studies do not all tell one perfectly clean story, but the pattern is clear enough: Type II muscle fibers, the fibers that help with faster and more forceful movement, lose size and function with age. One biopsy study found that the smaller quadriceps size in older men was mainly explained by smaller Type II fibers; after six months of resistance training, the gain in muscle size was explained by Type II fiber growth (Verdijk et al., 2013).

This is why power matters.

Strength is how much force you can produce. Power is whether you can produce it in time to reverse a fall.

Pickleball gives small doses of fast force: the split step, quick reach, short sprint, recovery step after a bad angle.

Most people still need deliberate speed-strength: a quick chair rise, a step-up driven hard through the floor, a light throw, a loaded carry, or a low-risk hop when appropriate. A 2022 meta-analysis found power training improved muscle power and activity-test performance more than conventional strength training in older adults (Balachandran et al., 2022).

Aging is not only a strength problem. It is a change-of-direction problem.

Can you start? Can you stop? Can you turn? Can you brake a lateral step without asking your Achilles tendon to do six months of adaptation in one afternoon?

Agility training is interesting because it looks more like real life than a machine exercise. Real life is stop-and-go, uneven, distracted, and full of tiny decisions.

A small pilot trial in healthy older adults found agility-based training was at least as effective as traditional strength and balance training for selected physical-performance measures, with small signals favoring explosive strength (Lichtenstein et al., 2020).

Pickleball asks for fast starts, stops, lunges, pivots, and calf loading. Without proper preparation, this can lead to injuries. A 2026 retrospective cohort found that pickleball-associated Achilles tendon ruptures occurred in older patients than tennis or other sport-associated ruptures, with median age 60 in the pickleball group. The study was small and not proof that pickleball is uniquely dangerous, but the warning is valid (Lundeen et al., 2026).

The answer is not to avoid pickleball.

The answer is to earn it.

Warm up. Build calves. Train eccentric control. Practice lateral stepping and deceleration. Wear court shoes, not running shoes. Screen for osteoporosis when appropriate.

Do not make your first game in six months a two-hour tournament against your most competitive friend.

Pickleball is an open-skill sport. The environment changes. The ball moves.

Your eyes, brain, trunk, feet, and hand have to negotiate in real time.

That matters because resilience is partly sensory-motor.

A systematic review of open-skill exercise found signals that dynamic, unpredictable exercise may be more helpful for some cognitive outcomes than closed, repetitive exercise, though much of the evidence is observational and not definitive (Gu et al., 2019). Another review found visual-related training generally improved balance and walking in healthy older adults, especially when the visual work was paired with movement or multicomponent training (Zhuang et al., 2021).

Tracking a ball while moving is different from walking on a treadmill while watching Netflix. One is a much better workout for building resilience.

Pickleball is not just standing around in a visor.

In older adults, recreational singles and doubles pickleball can reach meaningful intensity. One study of players with a mean age of 62 found average heart rates around 70% to 71% of age-predicted maximum, with more than 70% of playing time in moderate-to-vigorous heart-rate zones (Wray et al., 2023).

VO2 max is not only an athlete metric.

It is a reserve metric.

When pneumonia, surgery, chemotherapy, grief, or a bad winter hits, cardiorespiratory reserve changes the margin.

The LIFE trial is useful here because it did not study young athletes. It enrolled 1,635 sedentary adults aged 70 to 89 with physical limitations. A structured physical activity program reduced major mobility disability over 2.6 years compared with health education (Pahor et al., 2014).

For fitter readers, this is where zone 2, brisk walking, cycling, hills, and occasional intervals belong.

For beginner readers, the first interval may simply be walking to the end of the block, resting, and repeating.

Same principle: build the engine before life asks for it.

The social piece is not just for show.

It is physiology-adjacent, behavior-changing, and clinically relevant.

A 2010 meta-analysis of 148 studies and more than 300,000 participants found that stronger social relationships were associated with a 50% increased likelihood of survival. A later meta-analysis found social isolation, loneliness, and living alone were each associated with higher mortality risk (Holt-Lunstad et al., 2010; Holt-Lunstad et al., 2015). The National Academies has called social isolation and loneliness in older adults serious, underrecognized public health risks, with roughly 24% of community-dwelling Americans age 65 and older socially isolated (National Academies, 2020).

Doubles, ladders, leagues, group chats, mild rivalry, and the tiny humiliation of missing an easy shot all do something a routine protocol cannot do. They make people come back.

Social reward changes everything.

A sport can be good and incomplete.

Pickleball does not reliably build heavy lower-body strength. It does not reliably train progressive muscle power. It does not give a controlled balance progression the way a fall-prevention program does. It does not load bone the way supervised resistance and impact training can.

For falls, exercise evidence is strongest when programs include balance, functional training, and often multiple exercise types. An abridged Cochrane review found exercise reduced fall rates in community-dwelling older adults by 23%; balance and functional exercises reduced fall rates by 24%; multicomponent programs probably reduced falls by 34% (Sherrington et al., 2020).

For bone, the LIFTMOR trial is a useful nuance check. In screened postmenopausal women with low bone mass, supervised high-intensity resistance and impact training improved spine and femoral-neck bone measures over 8 months (Watson et al., 2018).

There is a real observational signal around racquet sports. In a cohort of more than 80,000 British adults, racquet sport participation was associated with lower all-cause mortality and cardiovascular mortality (Oja et al., 2017).

The associations were large, but they were not proof that racquets themselves extend life. People who play racquet sports may also be fitter, wealthier, more socially connected, less isolated, and less disabled at baseline.

Regardless, racquet sports bundle several behaviors and capacities we already believe matter for healthspan, and they may be unusually sticky.

Sticky counts.

A new small RCT makes this point more concrete. Researchers randomized 72 community-dwelling older adults with pre-frailty to supervised pickleball or usual lifestyle for 8 weeks. By the end, 42% of the pickleball group had moved from pre-frail to non-frail by the study criteria, compared with 8% of controls. They also improved chair stands, arm curls, shoulder mobility, 6-minute walk distance, daily movement patterns, and quality of life (International Journal of Nursing Studies, 2026).

Adherence is the boring variable that beats elegant protocols.

The court is optional.

The inputs are not.

A good no-court version has five pillars.

The most recent ACSM position stand pooled 137 systematic reviews, more than 30,000 participants, concluding that resistance training improves strength, hypertrophy, power, gait speed, balance, and physical function compared with no training (obviously). Their primary recommendation is at least two sessions per week, all major muscle groups, high effort, individualized for safety and adherence (ACSM, 2026).

For older adults, the NSCA position statement gets more concrete: work toward 2 to 3 sets of 1 to 2 multijoint exercises per major muscle group, 2 to 3 times per week, around 70 to 85% of 1RM, with power work at moderate loads moved quickly (Fragala et al., 2019).

A practical session has:

Two days is the floor. Three is useful if recovery, time, and joints allow.

Power is not CrossFit cosplay. It is the ability to create force fast enough to catch yourself.

Use tiny doses:

Move fast where it is safe to move fast.

Brake on purpose.

Most people train acceleration and forget deceleration, which is unfortunate because the floor does not care about your intentions 😭.

This is where many "healthy" plans fail due to lack of specificity.

The RDA, 0.8 g/kg/day, is a deficiency-prevention number. It is not an optimal muscle-preservation target for older adults. The PROT-AGE group recommends 1.0 to 1.2 g/kg/day for adults over 65, at least 1.2 g/kg/day for active older adults, and 1.2 to 1.5 g/kg/day for many older adults with acute or chronic illness, except where severe kidney disease changes the calculus (PROT-AGE Study Group, 2013).

The per-meal story is actually even more useful. Moore and colleagues found that healthy older men needed about 0.40 g/kg in a single meal to maximally stimulate myofibrillar protein synthesis, compared with about 0.24 g/kg in younger men (Moore et al., 2015).

That means:

Protein does not replace training.

But it does make training much more effective.

Static balance is an entry point, not the whole intervention.

Progress it:

The point is not to become an acrobat.

It is to restore the system that notices, reacts, and recovers before a trip becomes a fracture.

Pickleball works because it smuggles training into play.

If you hate it, pick a different smuggler: tennis, dance, hiking group, martial arts, basketball shooting, soccer, a movement class, or a standing walk with a friend.

If you want help turning this into a clinical plan instead of a pile of good intentions, you can learn more about my practice here: hillarylinmd.com/longevity-practice

The metrics are not glamorous.

They are protective:

If a plan is working, some of these should move.

If nothing moves, it may still be enjoyable. But we should not pretend enjoyment and adaptation are the same thing.

The whole reason to measure the boring stuff is to protect the exciting stuff.

💉 GLP-1s move toward addiction medicine. Weekly semaglutide reduced heavy drinking days in a 26-week trial of people with AUD and obesity receiving CBT. Signal, not shortcut.

☀️ Daylight may be prevention infrastructure. Objective light exposure tracked with lower GI cancer incidence and mortality. Observational, but the circadian story keeps building.

🫀 Ablation readiness should be a protocol. AF recurrence after ablation clustered with modifiable risks: sleep apnea, smoking, metabolic syndrome, obesity, alcohol, and hypertension.

🦠 Some pathogens build their own niche. Enterotoxigenic Bacteroides fragilis may rewire epithelial metabolism to support colonization in an inflamed gut.

🧬 NAD biology is not a supplement slogan. NAD-dependent redox control helps endothelial cells return to quiescence during angiogenesis. Mechanism, not a universal “more is better.”

🧫 T-cell durability needs cleanup machinery. Proteostasis programs supported stem-like, exhaustion-resistant memory-like T cells in tumor and chronic-infection models. Beautiful, still preclinical.

🚶 Movement may also be circadian medicine. Physical activity was inversely associated with incident circadian syndrome in Chinese adults over 45. Observational, but biologically coherent.

😴 Sleep in COPD needs better trials. A systematic review found signals for CBT-I, relaxation, and pulmonary rehab, but the evidence is too heterogeneous to crown one winner.

Pickleball gives you bursts. Zone 2 gives you the base. In this episode, I walk through why a long healthspan is not built by turning every workout into a punishment session, and why the steady aerobic work may be what lets you keep playing the games you love.

Watch on YouTube | Subscribe to The Longevity Show

If pickleball is the flashy hook, aerobic reserve is the engine under the floorboards. Build enough of it that the fun things stay fun.

The best longevity training is not the plan that sounds most sophisticated.

It is the plan that builds reserve you can use.

That might include pickleball. It might include tennis, dance, hiking, a martial arts class, a real strength program, a walking group, or the boring calf raises you do because you would like your Achilles tendon to remain part of the team.

The paddle is optional.

The scheduled human contact is not trivial.

The capacity is not optional.

Keep learning,

Hillary Lin, MD

Co-Founder & CEO, CareCore

Was this useful? Forward The Longevity Letter to someone who wants to keep playing, traveling, lifting bags into overhead bins, chasing kids, or simply trusting their body on an imperfect sidewalk.

The Aging Code Summit, May 26-27, Mosesian Center for the Arts, Greater Boston. I'll be on the clinician panel discussing how aging research translates into real interventions.

NYC Tech Week: "Sick Care Is Dead", June 2, New York, NY. A panel on what actually comes after the old model. If you're in NYC and building in health, this is the room to be in.

Dry Eye Society of the Americas, July 10-11, 2026, NYC. Dry eyes are a growing problem and symptom of deeper issues tied to longevity. For clinicians, join us.

Science of Skin Summit, September 17-20, Austin, TX. I'm speaking twice: one session on AI in dermatology, one on skin and hair as windows into biological age. For clinicians.

Livelong Women's Health Summit NYC, September 25-26, 2026, Hilton Midtown, New York City. I'll be moderating sessions on hormonal and ovarian aging and cellular mechanisms of aging at a two-day evidence-first summit on women's health, longevity, and agency.

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