WORLD HISTORY

Detailed explanation-1: -life expectancy, estimate of the average number of additional years that a person of a given age can expect to live. The most common measure of life expectancy is life expectancy at birth. Life expectancy is a hypothetical measure.

Detailed explanation-2: -Your overall survival rate increases by 50% if you have strong social relationships. One study found that more than 80% of centenarians communicate with a friend or family member daily (Elder Care Alliance, 2018). Another common thread for people in the 100+ club is regular social engagement.

Detailed explanation-3: -Why do Americans have a lower life expectancy than people in other rich countries, despite paying so much more for health care? The short summary of what I will discuss below is that Americans suffer higher death rates from smoking, obesity, homicides, opioid overdoses, suicides, road accidents, and infant deaths.

Detailed explanation-4: -People with higher levels of education or a higher income have longer life expectancies and are expected to spend a greater portion of those years in good health compared with those with less education or with a lower income.