Progeria.

Progeria, or Hutchinson-Gilford progeria syndrome (HGPS), is a rare, fatal, genetic condition of childhood with striking features resembling premature aging.

It is reported that profound growth delays begin at between nine and 24 months, leading to abnormal facial developments such as a disproportionately small face, bulging, prominent eyes and an underdeveloped jaw. Later, the patient develops various age-related diseases like heart problems, arthritis, etc. It's estimated that one in every four to...