What is the definition of Controlled Human Experiments?

"Controlled human experiments, my friends, are like when scientists decide to make us taste their new flavor-enhancing drug without letting us vote on it first. It's like watching people volunteer for a taste test while secretly bidding war with a side of existential dread over who gets the last piece of chocolate."

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Example sentence: "The government decided to conduct controlled human experiments on citizens, asking them to volunteer for a taste test of the latest 'emotional boost' serum, all while they're secretly filming our brain waves for a potential mind-control project."