Mitral regurgitation (MR) affects millions of people worldwide. It is the most common type of heart valve defect, affecting one in 10 people aged 75 and older. The condition occurs when the heart’s mitral valve does not close completely, causing blood to leak backward into the left atrium with every heartbeat.
Some people call a transient ischemic attack (TIA) a mini-stroke, because the symptoms are like those of a stroke but don't last long. But the term "mini" can be very misleading because it minimizes the potential threat of one of the leading causes of death in the world, says Stroke Neurologist Mauricio Concha, MD, medical director of Sarasota Memorial's Comprehensive Stroke Center.
In May 2013, superstar Angelina Jolie revealed she had both breasts removed because genetic testing showed she had a high risk for cancer. Every day, more and more people face similar decisions as genetic tests to assess the risk of breast, colon and ovarian cancer become more reliable, accessible and affordable.