If you don't already know the name Sanya Richards, then it's about time you learned about this 23-year-old amazing athlete.
Sanya Richards already achieved Olympic gold in Athens in 2004, but things have changed since then. In 2006 Richards was diagnosed with Behcet's Syndrome — a rare disease resulting from inflammation of the blood vessels, which causes pain, swelling, and stiffness of the joints (among other things).