We confirm that acute doses of caffeine, at levels typically found in a cup of coffee, produce stimulant-like subjective effects and enhance performance in light, nondependent caffeine users. These findings support the idea that the drug has psychoactive effects even in the absence of withdrawal.

Caffeine

Health conditions analyzed in this study

Functions related to this study

Emotional health

1 supplement Slightly Positive Caffeine

Energy

1 supplement Moderately Positive Caffeine

Heart health

1 supplement Slightly Negative Caffeine

Mental health

1 supplement Slightly Negative Caffeine

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Body systems related to this study

Cardiovascular System

1 supplement Caffeine

Nervous System

1 supplement Caffeine