Scientists in one of the recent studies has become that the average life expectancy in most countries has increased. Since 1990 this figure had risen to six years, writes the edition of the Lancet.
Experts believe that the increase in life expectancy associated with new methods of diagnostics and treatment of oncological diseases and diseases of the cardiovascular system in the developed countries.
In developing countries increasingly began to fight infectious diseases: tuberculosis, intestinal infections and malaria. However, not everything is so smooth. Many African countries today cannot cope with HIV and reduce mortality among children.