Christina Applegate's daughter Sadie LeNoble is facing her own health battle while her mother navigates multiple sclerosis (MS). Sadie, 13, has been diagnosed with Postural Orthostatic Tachycardia Syndrome (POTS), causing symptoms like dizziness and fatigue when she stands up. This condition has not only presented challenges for Sadie at school but also provided a deeper understanding of her mother's struggles with MS. Through experiencing similar symptoms like tremors, Sadie can empathize with Christina's pain in a way she wouldn't have been able to otherwise. Despite the difficulties, this shared journey has strengthened the mother-daughter bond as they face their health challenges together. In a recent podcast episode, Sadie bravely shared her experiences with POTS, shedding light on the realities of living with chronic illnesses.