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substances that, when taken internally or applied to the body, help prevent or cure a disease or other medical problem
the interaction of 2 or more medicines that results in greater effect than when the medicines are taken independently
the process that occurs when a person stops using a medicine or other substance to which they are physiologically dependent on
occurs when the effect of a medicine is cancelled or reduced when taken with other medicine
a preparation, containing weakened or dead pathogens that cause a particular disease, given to prevent one from contracting that disease
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