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.
The primary duty of the president of the United States is to make sure that all U.S. laws are carried out and that the federal government is run effectively. Although the president may not introduce new legislation-that's the duty of Congress-he does wield veto power over all bills that are approved by the legislature.