But for those who survive early hazards , a life expectancy of 60 or 70 would not be uncommon .
For recent years , in Swaziland LEB is about 49 , in Japan , it is about 83 .
For those who survive early hazards , a life expectancy of 60 or 70 would not be uncommon .
For recent years , in Swaziland LEB is about 49 , in Japan , it is about 83 .