What is the best description of pharmacogenomics?

Pharmacogenomics is best described as the study of how an individual's genetic makeup affects their response to drugs, specifically focusing on drug metabolism, efficacy, and safety. This field combines pharmacology and genomics to understand the role of inherited genetic variation in the drug response, allowing for more personalized medicine. By analyzing genetic markers, healthcare providers can predict how patients will respond to specific medications, optimizing drug selection and dosing to enhance therapeutic outcomes and minimize adverse effects.

In contrast, other areas mentioned do not encapsulate the essence of pharmacogenomics. The study of drug interactions focuses on how different drugs affect each other's pharmacokinetics or pharmacodynamics rather than individual genetics. The effect of drugs on the body pertains to pharmacodynamics, which examines how drugs exert their effects but does not involve genetic influences. The exploration of herbal remedies falls outside of conventional pharmacogenomics, as it does not specifically relate to drug metabolism in the context of genetic variations.