life expectancy

life expectancy is a tool that gover ments use to predict how long peaple will live in the most developed countries. the average age for a heathy person is 78.the U.A.E has the highest life expectancy in the arap world at the age of 74 for women and 72 for men .it started to rise quickly,abuiosly,the reasons are cleaner houses cleaner homes and cleaner food .at the started of the 21st century, the average is still rising ,but not as quickly as the 20th century. there are many fadors that affect life expectancy like being aver weght,smoking, having drugs and not exercising.i belivethat life exectancy will not rise quickly in the U.A.E because of traffic a ccidents too.