Blood clots form when platelets and fibrin create blockages in veins or arteries. These blockages help control bleeding in injuries but can turn dangerous when they form abnormally, impeding blood ...

A large study found that greater exposure to long-term air pollution was linked with increased risks for blood clots that can occur in deep veins, which, if untreated, can block blood flow and ...

Deep vein thrombosis, which is also known as DVT, happens when a blood clot forms in a vein - usually in the leg. These clots can block the return of blood from the legs to the heart, leading to ...