Blood clots are a necessary function of the human body, but there are times it can result in serious conditions like stroke, heart attack and in some cases - death.
Most of the time, they serve to stop bleeding from a cut or wound, but they also occur in parts of the body that don't require them. Their severity depends on their location, but become more serious once they move through the bloodstream.
For example, Deep Vein Thrombosis (DVT) is a blood clot in a vein, usually in the leg that doesn't move - and can be very dangerous as they can stall blood flow. Another example of a serious blood clot is an embolus, which breaks free to move around the body.
