Regina Aguero, 83, who has heart problems, exercises during a cardiovascular therapy session at Sabana Park in San Jose March 13, 2008. Cardiovascular disease is the leading cause of death in Costa Rica with more than 60 percent of the country's population suffering from coronary problems, according to the National Statistics Institute. REUTERS/Juan Carlos Ulate (COSTA RICA)
REUTERS/JUAN CARLOS ULATE