Sienna, or “Sinny,” was born with a form of primordial dwarfism that is so uncommon it has yet to be formally classified, according to the record keeping organization. Sinny stands at 4 feet ...

Sienna Bernal was born premature and with a rare disorder called primordial dwarfism. Doctors said her chances of thriving didn't look good, but she's proved them all wrong. At 23 years old, she's ...

Tributes are flowing from the devastated family and friends of a man with primordial dwarfism who captured the nation’s heart after his sudden death at age 22.

Primordial dwarfism is a rare and often dangerous group of genetic conditions that result in a small body size and other growth abnormalities. Signs of the condition first appear in the fetal ...

These twins would be identical if it weren't for one thing: one is half the size of the other. Sienna and Sierra Bernal (23) look the same in every way other than their height because Sienna has ...

Bold new simulations suggest the James Webb Space Telescope might be able to distinguish between competing dark matter models by studying primordial dwarf galaxies ...

Video: Behind the Scenes of ALADDIN's Autism Friendly Performance With Sweet P Sweet P is living with microcephalic primordial dwarfism as well as Limb Girdle muscular dystrophy.

Primordial dwarfism is a group of genetic disorders characterized by severe growth arrest that begins before birth and continues throughout life.

Sienna, or “Sinny,” was born with a form of primordial dwarfism that is so uncommon it has yet to be formally classified, according to the record keeping organization.

25-Year-Old with Dwarfism Holds 2 Twin World Records with Identical Sister Who Is Over a Foot Taller (Exclusive) Sienna and Sierra Bernal hold two world records, but they tell PEOPLE it's kind of ...