Other causes of nausea include side effects from medications, pain, pregnancy and morning sickness, seasickness, viral infection, alcohol toxicity, and disease of the brain, esophagus, stomach, gallbladder, liver, pancreas, and intestine.
so roosevelt was able to win more than two terms because there was not yet a formal term limit on the presidency and the unique conditions when he ran for his third and fourth terms made his arguments for breaking with tradition acceptable to a majority of american voters
One President Served More Than Two Terms. The only president to serve more than two terms was Franklin D. Roosevelt. In 1940 he won the election for his third term. Four years later in 1944, he ran again. He became the only president to be elected to a fourth term. However, he was president for only a year into his fourth term before he suffered from a cerebral hemorrhage and passed away.