The legendary singer, actress, director and producer has put her celebrity, wealth and personal charm behind an important cause — heart disease in women. Barbra Streisand wants women to realize that more women die of heart disease than all cancers combined. For what she’s doing to raise awareness and money to battle heart disease in women, we’re naming Barbra Streisand and her partner in this fight, Dr. Noel Bairey Merz, director of the newly named Barbra Streisand Women’s Heart Center at Cedars-Sinai Medical Center in Los Angeles the iVillage Women of the Week.