s class and it hit me. we get to the emergency room... and then...and then they just wheeled him away. i had to come to that realization that "wow, i am having a heart attack." i can't punch this away. i'm on a bayer aspirin regimen. [ male announcer ] aspirin is not appropriate for everyone. so be sure to talk to you doctor before you begin an aspirin regimen. i'm a fighter and nowadays i don't have that fear. [ male announcer ] learn how to protect your heart at i am proheart on facebook. >>> robin roberts is facing another difficult health challenge. five years ago, she successfully beat health cancer. the treatment she received may have triggered her new medical battle. she shared her diagnosis on this morning's program. >> now, sometimes treatment for cancer can lead to other serious medical issues. and that's what i'm facing right now. it is something that is called mds, myelodysplastic syndrome, and if you look it up going what, i was doing the same thing. it is a rare blood disorder that affects the bone marrow. the reason i am sh