What is the definition of Concentrations Research?

"Concentrations research" is like the secret ingredient in a cocktail shop, where scientists are trying to figure out how much of a particular substance (think: caffeine, nicotine, or even the occasional mood-altering chemical) is needed to get a person's mind to work like a high-performance Ferrari. They're basically trying to whip up the perfect brain-boosting elixir for the modern-day superheroes - or at least, the high-strung office workers.

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Example sentence: "We're diving deep into concentrations research to unlock the ultimate caffeine formula for the productivity of tomorrow's elite entrepreneurs - unless, of course, they're already addicted to their morning espresso."