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 U.S. President as Commander in Chief. Arguably, the most solemn role of the president is to serve as the leader of the U.S military. Under the president's direction, the United States can carry out retaliatory invasions, such as the invasion of Afghanistan in 2001.he U.S. President as Commander in Chief. Arguably, the most solemn role of the president is to serve as the leader of the U.S military. Under the president's direction, the United States can carry out retaliatory invasions, such as the invasion of Afghanistan in 2001.