You and your friend from high school were once very similar people, and growing up you had similar backgrounds. Now you are 25, and as you talk to each other, you both realize that you have become very different people. In behavior there are both dimensions of development and themes of development. Explain one of the dimensions of development and how it might apply to the above situation, and explain and give an example of one of the themes of development.

Life expectancy in the united states is (76.4 for men and 81.1 for women). life expectancy is not the same as healthy life expectancy. healthy life expectancy is the number of years a person is expected to live in this number is obtained by subtracting years spent in poor health from overall life expectancy. the world health organization (who) calculates healthy life expectancy in 194 countries. the united states ranks twenty-ninth in the world using this measurement, with an average of of healthy life expectancy. singapore ranks number one (76 years), and japan is number two (75 years).