Christina Applegate launches Next in MS platform Christina Applegate has launched a new platform, called Next in MS. 10 February 2026 Christina Applegate has launched a new online platform for people living with multiple sclerosis (MS). Christina Applegate has launched a new platform The 54-year-old actress was diagnosed with the chronic condition back in 2021, and Christina has now launched Next in MS, a new platform that will allow others affected by MS to share their own experiences. The site explains: "Living with multiple sclerosis isn't easy.