Here's what MS is, what causes it and how you can expect the condition to be treated if it impacts you or someone you love.

Selma Blair opens up to PEOPLE about still keeping a “beginner’s mind” in her multiple sclerosis journey, and why she’s encouraging others to share their stories in the same way she has.

As she continues her inspiring MS journey, Selma Blair has decided to step inside the squared circle — and Us Weekly exclusively followed her into the ring. Us Weekly was exclusively in ...