Rare conditions that are treatable, meaning that early treatment can prevent the most serious symptoms.
Here's a list of genes and conditions included in Group 1.
Rare conditions that have potential treatments, meaning that treatments may not be able to prevent the most serious symptoms or that new treatments are still being studied.
Here's a list of genes and conditions included in Group 2.
Risk for Type 1 Diabetes, a common childhood disease that is treatable.
(Note: type 1 diabetes is not the same as type 2 diabetes, which is more common in adults.)