Consumption may refer to: *

Resource consumption Resource consumption is about the consumption of non-renewable, or less often, renewable resources. Specifically, it may refer to: * water consumption * energy consumption ** electric energy consumption ** world energy consumption * natural gas co ...

Tuberculosis Tuberculosis (TB) is an infectious disease usually caused by '' Mycobacterium tuberculosis'' (MTB) bacteria. Tuberculosis generally affects the lungs, but it can also affect other parts of the body. Most infections show no symptoms, in ...

, an infectious disease, historically *

Consumption (ecology) A consumer in a food chain is a living creature that eats organisms from a different population. A consumer is a heterotroph and a producer is an autotroph. Like sea angels, they take in organic moles by consuming other organisms, so they are commo ...

, receipt of energy by consuming other organisms *

Consumption (economics) Consumption is the act of using resources to satisfy current needs and wants. It is seen in contrast to investing, which is spending for acquisition of ''future'' income. Consumption is a major concept in economics and is also studied in many o ...

, the purchasing of newly produced goods for current use also defined as the consuming of products **

Consumption function In economics, the consumption function describes a relationship between consumption and disposable income. The concept is believed to have been introduced into macroeconomics by John Maynard Keynes in 1936, who used it to develop the notion of a ...

, an economic formula *

Consumption (sociology) Theories of consumption have been a part of the field of sociology since its earliest days, dating back, at least implicitly, to the work of Karl Marx in the mid-to-late nineteenth century. Sociologists view consumption as central to everyday life ...

of resources, associated with social class, identity, group membership, and age

See also