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.
Presidential Powers. The office of President of the United States is one of the most powerful in the world. To carry out this responsibility, he or she presides over the executive branch of the federal government -- a vast organization numbering several million people -- and in addition has important legislative and judicial powers.