The World Health Organization defines obesity as a body mass index of thirty or more.

VOA: special.2011.02.15

"The problem with that body of research is that it's difficult to interpret because obviously people with existing mental health problems use cigarettes to self-medicate."

VOA: standard.2010.06.15

His study shows that a diet high in white rice is associated with an increased risk of Type 2 diabetes, a serious health condition in which the body is unable to properly use sugar in the bloodstream.

VOA: standard.2010.06.25

It seemed to me also that every living African, whether in good or ill health, is prey to many enemies of health that would interact one upon the other in many ways within one human body, Critics feared if President Mbeki appeared to doubt the link between HIV and the disease, people would not practice safe sex and use condoms.

VOA: standard.2010.05.17