In atrial fibrillation, the blood from the atria is not fully ejected into the other heart chambers. Blood remaining in the atria could form clots, which could increase the risk of heart attack or stroke (when the clot wedges itself into an artery of the heart or brain). As a blood thinner, Coumadin helps prevents these clots.
Laverne Cox is an American actress, reality television star, television producer, and LGBT advocate.
NEWS: Laverne Cox becomes first transgender person to cover Time. TIME. I'm managing to find time to date, Cox told me yesterday while chatting with me in my office. There is a man in her life right now.