According to the American Psychiatric Association (APA) Practice Guidelines for the Treatment of Patients with Bipolar Disorder, biochemical hypothyroidism develops in 5% to 35% of patients with bipolar disorder, usually within 6 to 18 months of lithium treatment initiation.
The longest-surviving dynasty in the world is the Imperial House of Japan, the Yamato dynasty, whose reign is traditionally dated to 660 BC.
Updated February 09, 2017. The current king of Thailand, Bhumibol Adulyadej, is the longest-reigning monarch in the world today, as well as Thailand's longest-reigning king ever. The beloved king's common name is pronounced POO-mee-pohn uh-DOON-ja-deht; his throne name is Rama IX.