[ Drug ]
A substance that causes a physiological or psychological changes, usually by stimulating or suppressing specific chemical activities in an organism.
Drugs are distinct from [ Nutrient ] A substance that provides nourishment essential to life. Nutrients may either be organic, as in carbohydrates, fats, proteins and vitamins, or inorganic, as in minerals, oxygen and water. They are derived from the environment, typically food, and More or supplements in that they are considered foreign and not a normal part of metabolic function. They are widely used recreationally and [ Medicine, Medical Treatment ] The therapeutic practise of diagnosing and treating injury or disease. A drug or nutrient preparation prescribed for the treatment, or prevention of injury or disease. More, and may be derived from plants (herbal remedies) or synthetically (pharmacology).