the.com/tolerance

the muscle that lets you stomach what you can't stand without becoming what you hate

means The capacity or willingness to accept, endure, or allow things you disagree with or find difficult—whether opinions, behaviors, pain, or a substance—without breaking down or pushing back.

from From Latin tolerare, "to bear, endure, put up with"—the same root that gives us "toleration" and is a cousin of "extol" and possibly the Greek tlenai ("to suffer, undergo"). It entered English in the 15th century, first meaning the literal endurance of pain or hardship; the sense of "putting up with other people's beliefs" came later, and the medical sense (a body "tolerating" a drug, needing more for the same effect) later still. At its heart the word never meant approval—only the strength to bear.

drug sense
body adapts, demanding bigger doses for same effect
engineering
the allowed wiggle room before a part fails
paradox
unlimited tolerance eventually tolerates the intolerant into power
immunology
your immune system tolerates trillions of friendly gut microbes
origin
from Latin tolerare, meaning to bear or endure
for instance

operation tolerance — us military program testing radiation exposure effects on soldiers at nevada test site, 1957

tolerance breaks — cannabis users taking scheduled breaks to reset thc sensitivity, documented in harm reduction literature

lactose tolerance — genetic mutation allowing 35% of global adult population to digest milk, evolved 10,000 years ago in pastoral societies

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