August 31, 2015 | Health News
By Lily Kuo
More people are living longer but not necessarily healthier lives.
Global life expectancy has risen by an average of 6.2 years over the last two decades, according to a new study published in The Lancet. But healthy life expectancy, a metric that takes into account years lived with disability or disease, only rose by 5.4 years over the same period to 62.3.