People around the world are living longer, but many are also living sicker lives for longer, according to a study of all major diseases and injuries in 188 countries.

General health has improved worldwide, thanks to significant progress against infectious diseases such as HIV/AIDS and malaria in the past decade and gains in fighting maternal and child illnesses.

But healthy life expectancy has not increased as much, so people are living more years with illness and disability, according to the analysis, published in The Lancet journal.