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== Body Fat ==

'''Body fat''' or '''adipose tissue''' (/ˈædɪˌpoʊs/; from the Latin ''adiposus'', meaning "fat") is a type of connective tissue composed mostly of [[adipocytes]] that store energy in the form of fat. 

=== Etymology ===

The term "body fat" is derived from the Old English ''fǣtt'', which means "fatted, fat, plump", and the Proto-Germanic ''*faitidaz'', "to make fat". The term "adipose" comes from the Latin ''adiposus'', meaning "fat" or "fatty".

=== Function ===

Body fat plays a vital role in storing energy and protecting internal organs. It also serves as insulation, helping to maintain body temperature. The body stores excess energy from food in fat cells, which can be used when energy is needed.

=== Types of Body Fat ===

There are two main types of body fat: [[subcutaneous fat]] and [[visceral fat]]. Subcutaneous fat is located under the skin, while visceral fat is found around the organs in the abdomen.

==== Subcutaneous Fat ====

Subcutaneous fat is the layer of fat that is found just beneath the skin. It helps to insulate the body and protect the muscles and bones from injury.

==== Visceral Fat ====

Visceral fat is located deep within the abdominal cavity, surrounding the internal organs. It is considered more harmful than subcutaneous fat as it can increase the risk of serious health problems such as [[heart disease]], [[type 2 diabetes]], and certain types of [[cancer]].

=== Measurement ===

Body fat can be measured using various methods, including [[Body Mass Index (BMI)]], skinfold thickness measurements, bioelectrical impedance, and dual-energy X-ray absorptiometry (DXA).

=== Health Implications ===

While some body fat is necessary for overall health, too much body fat, particularly visceral fat, can lead to health problems such as [[obesity]], heart disease, type 2 diabetes, and certain types of cancer. Conversely, too little body fat can also lead to health problems, including hormonal imbalances and reproductive issues.

[[Category:Anatomy]]
[[Category:Physiology]]
[[Category:Health]]

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