GHRH is a 44-amino acid peptide hormone produced in hypothalamus' arcuate nucleus. First appears between 18-29 weeks of gestation. Released in pulsatile manner from arcuate neurons to anterior pituitary
Hormone spelling varies between North America and Britain. Hormones regulate various bodily functions and processes
About 60-80% of height variation is determined by genetics. Heritability of height is 80% in Australian twins and Finnish twins. White men have 80% height heritability in the U.S. Asian populations show lower heritability, around 65%
No two people reach puberty at the same time. Women stop growing between 13-16 years old. Men rarely grow after 20-25 years. Growth plates close at different times in different bones
Worldwide average male height is 173 cm (5'8.1"). Netherlands leads with average height of 182.5 cm. Timor Leste has average height of 5'3". Japan's average is around 5'7"
Treats growth hormone deficiency in children and adults. Used for Turner syndrome, kidney disease, and Prader-Willi syndrome. Improves growth and body composition in children. Adult patients with pronounced growth hormone deficiency