progeria

A rare congenital disorder of childhood that is characterized by rapid onset of the physical changes typical of old age, usually resulting in death before the age of 20.

A state in which several of the characteristic physical marks both of infantilism and of senility exist in the same individual.

An extremely rare genetic condition wherein symptoms resembling aspects of aging are manifested at an early age.

a rare abnormality marked by premature aging (grey hair and wrinkled skin and stooped posture) in a child