Guide · Health
Build a Daily Wellness Routine from a 300-Year-Old Classic — Kaibara Ekiken's Yōjōkun, Made Checkable
Most wellness advice ages badly. This one is three hundred years old and still does the job, because it isn't a list of superfoods — it's a way of deciding. By the end you'll have built one thing: a short daily routine you can actually tick off, distilled from Kaibara Ekiken's Yōjōkun (1713), the most widely read health manual of old Japan. You'll sort what harms you into two kinds and meet each with the right tool, eat to eight-tenths full, set your default dial to "less," move the body and quiet the mind, and prevent rather than treat. Not a cleanse — a way of living you can keep.
Before you start
- Paper, not an app. One of the things this method asks you to cut is the screen itself — don't run the diagnosis on the machine that's part of the problem.
- A week of honest notes on yourself: how much you ate, how you slept, whether you moved, when you boiled over. Not a productivity ledger; a few lines a day. You can't tell whether the dial is stuck if you've never watched it.
- A willingness to treat this as a way of living, not a penance. Ekiken's refrain is "in all things, less rather than more" — that's "don't overshoot," not "wind yourself as tight as you'll go."
Sort what harms you into two kinds — then use the right tool on each
Before you change a single habit, sort. Ekiken opens the whole book with one cut: everything that wears the body down is one of two kinds. Inner cravings — overeating, too much drink, too little or too much sleep, idle talk, lust, the seven emotions run loose — push from inside. Outer threats — wind, cold, heat, damp — press from outside. The split isn't for tidiness; it's that the two need opposite tools. Inner cravings you meet with endurance: decide, and take the win by force — "give up indulgence, hold to restraint." Outer threats you meet with caution: be wary, retreat early, don't tough it out. People fail by mixing the tools — they try to "endure" a cold draft and get sick, then feel "cautious" about dessert and eat it anyway. Write down the one or two inner cravings you give in to most this week, and the outer threat you most often tough out. Next to the craving, write one act of endurance. Next to the threat, one rule for retreating early.
Don't reform everything at onceEkiken's whole method is "in all things, less rather than more." Pick one craving and one threat to start. A routine you keep beats a reform you abandon by Thursday.
When unsure how much, round down
Here is the single word the book turns on: less, and its cousin sparing — to husband your vitality instead of spending it. Whenever you can't decide how much of something is right, Ekiken's answer is the same: round down. He hands you a ready-made dial, the Twelve Lessens — his update of Sun Simiao: eat less, drink less, crave fewer strong flavors, less lust, fewer affairs, fewer words, less anger, less worry, less grief, less brooding, less lying around. The idea governing all twelve is to hold the middle — neither too much nor too little: take in only what nourishes, then stop. From the twelve, pick the three you most need to cut this week, and give each a number you can check. "Fewer words" is vague; "I don't lie down during the day," or "three important things today, not thirteen," is a dial you can read.
"Less" isn't austerityRounding down isn't punishing yourself — it's not overshooting. Holding the middle means stopping at "just enough," not grinding down to "barely any." Sparing your vitality is the goal, not deprivation.
Stop eating at eight-tenths full
Of all the dials, Ekiken turns this one most insistently, because he treats the stomach — digestion — as the root of the whole body. The rule is concrete: stop at eight or nine parts full. By the time you feel "completely full" you've already overshot into the territory that makes you sick, so call it at seven or eight. Grain is the base; meat shouldn't outweigh the rice — "when vitality outweighs food you live long; when food outweighs vitality you die young." And he borrows a quiet trick from the monks to keep eating from going mechanical: the Five Reflections, a short pause before a meal — where did this food come from; the farmer's labor produced it; I receive it without having earned it; many go hungry while I do not; and a thought for the ancient hardship of eating before fire, against the ease of warm rice today. At your next meal, put the chopsticks down while you could still eat a few more bites. Once a day, take the thirty-second pause before you start.
When digestion is off, the first medicine is not eatingEkiken is blunt: if a meal hasn't digested, don't pile another on top — even good food turns to poison. For a mild upset his first remedy is to skip a meal or two, not to drink something or take a harsh purge. (Severe or lasting symptoms are a doctor's call, not a classic's.)
Quiet the mind, work the body
Ekiken splits you into two parts with opposite needs, and most modern misery comes from getting them backwards. The mind is the body's ruler: it should be calm and, as much as possible, glad — not chronically bitter. The body is the mind's servant: it should move and labor, not sit idle. A still-but-cheerful mind and a moving body keep the blood and qi flowing, and what flows doesn't fall ill. He's just as wary of excess on either side: too much walking, sitting, lying, or talking all harm — overwork wears vitality down, idleness lets it stagnate. Those two, depletion and stagnation, are the only ways to damage your vitality, and good living is simply removing both before you build it back, the way a farmer clears the weeds before watering. So each day, schedule one stretch of moving the body — even just standing and walking to break a long sit — and one stretch that lets the mind be quiet and glad.
Prevent rather than treat — and hold the classic loosely
Ekiken's highest strategy is the dullest one: be careful while you're well. Guarding health before illness, he says, is the superior move — "winning easily, before the battle" — while reaching for drugs and needles after you're sick is the lesser, downstream business. He's strikingly humble about medicine itself: every drug is a lopsided force, right for the matching illness and poison for the rest; without a good physician he'd rather take nothing and let the body right itself; food nourishes better than medicine. And he flatly denies the fantasy you'll be sold elsewhere — there is no elixir of long life, only the daily care that lets you reach your natural span. So gather the moves from the steps above — endure, retreat early, round down, stop at eight-tenths, move and quiet — into a few plain rules of prevention, and put them where you'll see them.
Read it as a way of living, not a prescriptionThis is a 300-year-old book of life-cultivation, not a medical manual. Its specifics on drugs, the number of moxa cones, or intervals of sex are not instructions to copy — take only the spirit of restraint and "fit it to the person." For a chronic condition, any medication you take, pregnancy, or anything acute, follow your doctor, not a classic. Ekiken would agree: he insists you adjust by the person and don't cling to old rules.
Fit it to yourself, and cut it down
The last move is the one that makes the rest yours. Ekiken says it again and again: dosage, the number of moxa cones, every measure should be judged by the person — their strength, their age, the weight of the illness — and never copied blindly from old rules. Bodies differ; a routine isn't a standard answer you transcribe, it's "less, endure, caution, the middle" tuned until it fits the life you actually live. He applies the same logic at both ends of life — raise children with "a little hunger and a little cold" rather than overfeeding and overdressing them; let the old guard their vitality, going easy on anger and idle words. One principle, fitted to the person. So go back over the list you've built and cut it: drop what doesn't suit you, keep the three to five things you can genuinely do every day. A short list you'll actually tick beats a perfect one you'll abandon — which is the whole point of doing this at all.
Check you've got it
- I can split today's "what's wearing me down" into inner cravings and outer threats — with one act of endurance and one early-retreat rule.
- I picked three of the Twelve Lessens and gave each a number I can check.
- At one meal I put the chopsticks down at eight-tenths full, and took one pause before eating.
- Today I scheduled both a stretch of moving and a stretch of quiet, and broke up one long sit.
- I wrote a few plain "prevent while well" rules and put them where I'll see them.
- My final list has only the three to five things I can truly keep every day — fitted to me, not copied whole.
Health isn't one big right thing done one day; it's spending a little less, retreating a little earlier, and stopping at just enough — every day.
Turn "reach your natural span" into a few boxes you can tick before lunch.
Source: Kaibara Ekiken, Yōjōkun (養生訓, 1713) — sorting inner cravings from outer threats, endurance vs. caution, stopping at eight-tenths full, the Twelve Lessens and holding the middle, a quiet mind with a moving body, preventing rather than treating, and fitting every measure to the person. This is a popular-science reading of a classical health text, not professional medical advice; its specifics on drugs, moxibustion, and sexual practice are taken only for their spirit of restraint, not as a prescription to copy. For any chronic condition, current medication, pregnancy, or acute symptom, follow your doctor.