Progeria: Symptoms. Progeria is a disease that causes the rapid, early aging of the body. Infants born with progeria appear to be normal newborns, and symptoms generally do not occur until about two years of age. Symptoms include failure to thrive, which includes slow growth and poor weight gain, loss of body fat and aged-looking skin.
The most important duty of the president is to uphold the law and  rule the country in accordance with the laws of the country. The  president is also expected to protect th â¦ e freedom of his people.
Franklin Delano Roosevelt was one of the most important people in American history between 1900 and 1940 because he overcame obstacles to become a great leader, and his New Deal economic policies had a great impact on the nation.