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CLINICAL definition and meaning | Collins English Dictionary Clinical means involving or relating to the direct medical treatment or testing of patients The first clinical trials were expected to begin next year a clinical psychologist She was diagnosed as being clinically depressed It has been clinically proved that it is better to stretch the tight muscles first
Understanding Clinical Studies - National Institutes of Health (NIH) But clinical researchers can’t always use this approach For example, scientists can’t ethically study risky behaviors by asking people to start smoking or eating an unhealthy diet And they can’t study the health effects of the environment by assigning people to live in different places