Objective Low physical activity (PA) levels are associated with increased mortality. Improved measurement has resulted in stronger proven associations between PA and mortality, but this has not yet ...

A person's age is one of the best predictors of how much longer they are likely to live. This is the main idea behind life expectancy. Life expectancy is a statistical measure of how long a person is ...

Since the early 20th century, sustained declines in mortality have driven steady increases in life expectancy, particularly in high-income countries. Several studies have reported that this ...