I think there are many causes which have permitted in the last years increase people´s life expectancy. I consider people are living longer thanks to government policies on public´s health and due in most part to the great medical and technological advances that have been made in the last decades. Cures and immunizations against many diseases have been found. Research has provided valuable information about the human body and the human mind. Even "miracle" medicines have saved a lot of lives and there are new methods that have been developed ....