When the polar vortex froze out residents in much the United States in January, it also sent chills through the U.S. blood system, especially for people who needed platelets. “If you are safely able ...

Some teenagers dream of getting a driver's license, buying a cheap car and spending late nights out with friends. But when he was young, Ryan Dolce hoped to one day give blood. At the time, the now-30 ...

Platelets (also called thrombocytes) are small blood cell fragments made by your bone marrow. They help form blood clots to stop you from bleeding when you've been injured. Platelets are small cell ...

Primary thrombocytopenia is an autoimmune disorder that causes a low number of platelets in the blood. Other names for it are immune thrombocytopenia and ITP. Platelets are specialized blood cells ...

Neonatal alloimmune thrombocytopenia is a rare but potentially life threatening condition in newborns. It can cause bleeding in the brain and long-term effects. Treatment usually involves a platelet ...