Adipose tissue expandability hypothesis
The adipose tissue expandability hypothesis posits that metabolic dysregulation that appears to be caused by excess weight, such as
subcutaneous adipose tissue is exceeded. Each individual's capacity to store excess energy varies, so the threshold at which an individual begins to experience metabolic disease is not well captured by methods such as body mass index or body fat percentage.[1] If a person has the ability to store a large amount of body fat without experiencing metabolic disturbance, this is known as metabolically healthy obesity.[3]
Although it was hypothesized that having a larger number of smaller adipocytes was correlated with the ability to store more fat, some evidence suggests the opposite—those with smaller adipocytes having a worse metabolic profile. The core factor, the inability to store excess fat in these cells, remains.[4]
References
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- ^ Richard, Allison J.; White, Ursula; Elks, Carrie M.; Stephens, Jacqueline M. (4 April 2020). "Adipose Tissue: Physiology to Metabolic Dysfunction". Endotext [Internet]. MDText.com, Inc.