巨人症治愈后，乔尔森的自信也回来了。

With the gigantism under control, Joelison's confidence grew.

但除了那些能导致侏儒症和巨人症的基因突变，科学家们很难确定导致正常人身高差异的具体基因片断。

But other than rare mutations that result in dwarfism or gigantism, scientists have had little success identifying genes that govern stature.

生产过量时会导致巨人症、肢端肥大症或其它畸形，生产不足时会造成侏儒症，而在青春期以前给予生长激素，会戏剧性痊愈。

Excessive production causes gigantism, acromegaly, or other malformations; deficient production results in dwarfism, dramatically relieved if GH is given before puberty.