Christina Applegate's daughter Sadie reveals health battle
Christina Applegate is so sorry that her 13-year-old daughter, Sadie Grace LeNoble, has been diagnosed with the neurological condition Postural Orthostatic Tachycardia Syndrome.

Christina Applegate is so sorry that her 13-year-old daughter, Sadie Grace LeNoble, has been diagnosed with the neurological condition Postural Orthostatic Tachycardia Syndrome.