Hutchinson-Gilford Progeria Syndrome
Children will begin to display many characteristics of accelerated aging at around 18-24 months of age. 

Characteristics & Signs:

1) Growth failure

2 ) Loss of body fat and hair

3) Aged-looking skin

4) Stiffness of joints

5) Hip dislocation

6) Heart diseases

Picture

 Since children with Progeria experience premature aging they will experience diseases associated with aging like high blood pressure, angina, enlarged heart, and/or heart failure. Heart disease is the number 1 reason children with Progeria die. The average live expand of a child with Progeria is anywhere from 8 to 21 years old but most die at 13.