Search for most updated materials ↑

 

front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |review

The patterns of disease are quite systematic depending upon the life expectancy. Look at the graph, with the current world life expectancy of 65, and continues to grow, what will be the major health problems in the 21st century?