Christina Applegate and Daughter Sadie Open Up About Their Health Struggles

Sadie, 13, discusses her POTS diagnosis and how it has deepened her empathy for her mother's battle with MS.

Sadie revealed her postural orthostatic tachycardia syndrome (POTS) diagnosis on her mom's podcast.
POTS affects blood flow and can cause symptoms like dizziness, fatigue, and a fast heart rate.
Sadie shared that her own health challenges have helped her understand her mother's MS.
Christina Applegate expressed guilt for not recognizing Sadie's symptoms earlier.
The mother-daughter duo have grown closer through their shared health experiences.