The Last Word with Lawrence O'Donnell. The Last Word with Lawrence O'Donnell is an hour-long weeknight news and political commentary program on MSNBC. The program airs live at 10:00 P.M. Eastern Time Monday-Thursday, and is hosted by Lawrence O'Donnell. O'Donnell is described by MSNBC as providing the last word on the biggest issues and most compelling stories of the day..
Factors and conditions that can cause troublesome blood clots, as well as serious conditions that are associated with blood clots, include: Antiphospholipid syndrome. Arteriosclerosis / atherosclerosis. Certain medications, such as oral contraceptives, hormone therapy drugs and some breast cancer medications.
Causes of Blood Clots on the Knee. According to the National Library of Medicine a blood clot may form in the knee area for a variety of reasons. Age can be a factor, and the chance of developing a blood clot can increase two-fold in each decade for people over the age of 40.