A regimen is a plan, a regulated course such as a diet

Diet (nutrition)

In nutrition, diet is the sum of food consumed by a person or other organism. Dietary habits are the habitual decisions an individual or culture makes when choosing what foods to eat. With the word diet, it is often implied the use of specific intake of nutrition for health or weight-management...

, exercise or medical treatment, designed to give a positive result. A low-salt diet is a regimen. A course of penicillin

Penicillin

Penicillin is a group of antibiotics derived from Penicillium fungi. They include penicillin G, procaine penicillin, benzathine penicillin, and penicillin V....

 is a regimen.

History

The work, Regimen in Acute Diseases, attributed to the ancient Greek physician, Hippocrates of Cos, describes the types and usage of medical regimens in his era (400 BCE). This is perhaps the first appearance of the term

Terminology

Terminology is the study of terms and their use. Terms are words and compound words that in specific contexts are given specific meanings, meanings that may deviate from the meaning the same words have in other contexts and in everyday language. The discipline Terminology studies among other...

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Usage in statistics

In economic statistics, a regimen refers to the selected goods and/or services priced for the purpose of compiling a price index

Price index

A price index is a normalized average of prices for a given class of goods or services in a given region, during a given interval of time...

. The most wellknown example is the consumer price index

Consumer price index

A consumer price index measures changes in the price level of consumer goods and services purchased by households. The CPI, in the United States is defined by the Bureau of Labor Statistics as "a measure of the average change over time in the prices paid by urban consumers for a market basket of...

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