Editing Dwarfism (section)

===Growth hormone deficiency===
{{further|Growth hormone deficiency}}
Growth hormone deficiency (GHD) is a medical condition in which the body produces insufficient [[growth hormone]]. Growth hormone, also called somatotropin, is a [[polypeptide]] [[hormone]] which stimulates [[Human development (biology)|growth]] and cell reproduction. If this hormone is lacking, stunted or even halted growth may become apparent. Children with this disorder may grow slowly and puberty may be delayed by several years or indefinitely. Growth hormone deficiency has no single definite cause. It can be caused by mutations of specific genes, damage to the pituitary gland, [[Turner's syndrome]], poor nutrition,<ref name="ghdeficiency">{{cite web | publisher = UK Child Growth Foundation | title = Growth Hormone Deficiency | url = http://www.childgrowthfoundation.org/ghd.htm | access-date = 2009-01-16 | archive-url = https://web.archive.org/web/20090116030454/http://www.childgrowthfoundation.org/ghd.htm | archive-date = 2009-01-16 | url-status = dead }}</ref> or even stress (leading to [[psychogenic dwarfism]]). [[Laron syndrome]] (growth hormone insensitivity) is another cause. Those with growth hormone issues tend to be proportionate.