A groundbreaking study published in PLOS One indicates that a landmark federal plan could increase average life expectancy for all Americans by 2.6 years while significantly improving overall ...

Every individual has a unique experience of life. But on average, happiness seems to follow ... play a role in how happiness ebbs and flows over time. Does happiness decline with age?

The currency notes that are observed to no longer be in good condition are removed from circulation at that time ... are the lifespan of all currently circulating bills in the United States ...

Indiana falls below the average life expectancy rate across the United States. But what can explain the challenges of living ...