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.
Responsibilities of the President of the United States. The President is the very important figure in the politics of the country. Known was the 'Head of the State or Government', the President has to shoulder many responsibilities, once he/she steps into the office. The President of the United States is the head of both the state and central government of the country.