Quick Answer. Color intensity refers to how bright or dull a color looks, according to Art Studio Chalkboard. This term is most often used in art and photography but can also have other applications. Bright colors are considered more pure, while dull colors can appear indistinguishable or gray.
A drug is a chemical substance that can change how your body and mind work. Drugs of abuse are substances that people use to get high and change how they feel. They may be illegal drugs like marijuana, cocaine, or heroin. Or they may be legal for adults only, like alcohol and tobacco.
A pharmaceutical drug (also referred to as a medicinal product, medicine, medication, or medicament) is a drug used to diagnose, cure, treat, or prevent disease. blockbuster drug is a drug generating more than $1 billion of revenue for the pharmaceutical company that sells it each year. Cimetidine was the first drug ever to reach more than $1 billion a year in sales, thus making it the first blockbuster drug.