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.
Perhaps the most important of all presidential powers is the command of the United States Armed Forces as its commander-in-chief. While the power to declare war is constitutionally vested in Congress, the president has ultimate responsibility for direction and disposition of the military.he president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces. The President of the United States is considered one of the world's most powerful people.