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.
SERVING U.S. PRESIDENT. THE LONGEST LIST OF THE LONGEST STUFF AT THE LONGEST DOMAIN NAME AT LONG LAST. Who was the world's longest serving U.S. president? Franklin Delano Roosevelt has the honor of being the longest serving U.S. president. Franklin D. Roosevelt was elected into office on March 04, 1933 and served for four terms, becoming the only president to serve more than two terms.