Brussels, 24/01/2001 (Agence Europe) - The European Commissioner for Transport, Loyola de Palacio, has asked airline companies to inform their passengers of risks linked to problems of blood circulation (thrombosis and embolism) on long-haul flights. In a letter to the President of the Association of European Airline Companies, Jean-Cyril Spinetta, the Commissioner considers that "the risk has not to be underestimated" and says she "is convinced that precautionary measures should be taken...