Lucy Landman was born with a very rare genetic disorder that causes severe intellectual disability, weak muscles and seizures, among other symptoms. "She is expected to very much never be able to live ...

Down syndrome is a genetic disorder that occurs when a person receives an extra copy of their chromosome 21, known as Trisomy 21. The additional genetic material disrupts typical development, which ...

The gene-editing technique is effective for treating some illnesses but it's been too expensive to consider it for rare conditions. A new approach... Lucy Landman was born with a very rare genetic ...