Goitre the Heavenly Husbandman", asserted that iodine-rich sargassum was used to treat goitre patients by the 1st century BC, but this book was written much later. In the 12th century, Zayn al-Din al-Jurjani, a Persian physician, provided the first description of Graves' disease after noting the association of goitre and a displacement of the eye known as exophthalmos in his "Thesaurus of the Shah of Khwarazm", the major medical dictionary of its time. Al-Jurjani also established an association between goitre and palpitation. The disease was later named after Irish doctor Robert James Graves, who described a case of goitre with exophthalmos
Growth hormone deficiency Growth hormone deficiency Growth hormone deficiency (GHD) is a medical condition due to not enough growth hormone (GH). Generally the most noticeable symptom is a short height. In newborns there may be low blood sugar or a small penis. In adults there may be decreased muscle mass, high cholesterol levels, or poor bone density. GHD can be present at birth or develop later in life. Causes may include genetics, trauma, infections, tumors, or radiation therapy. Genes that may be involved include GH1, GHRHR, or BTK. In a third of cases no cause is apparent. The underlying mechanism generally involves problems