U.S. Representative Debbie Wasserman Schultz asked the Department of Health and Human Services to develop a strategy to analyze the causes of falling life expectancy in the United States.
The test measures nine factors that can calculate a person's biological, rather than chronological, age.
Researchers were surprised by how much these habits appeared to boost life expectancy.
About one in five deaths around the world can be attributed to poor diet, according to a study titled "The Global Burden of Disease."
A new study shows that despite the U.S. spending more on health care than any other nation, huge inequalities persist when it comes to life expectancy.
Wealth and health are intrinsically linked in America, according to research.
A report has assessed the experiences of 16-24-year-old females across every local authority in England and Wales.
In Mexico's northern states, life expectancy fell by as much as three years.
Japan has a lot of really, really old people.
The findings come from a new study conducted by the London School of Hygiene & Tropical Medicine.
The report's authors warn that their findings may have been exacerbated by the Coalition government's cuts.