The Latest Breaking News from the World Health Organization

Assessing risk versus reward in a world of constant dangers.

The World Health Organization says more than two dozen cats have been infected with bird flu across Poland, but no people appear to have been sickened

As anticipated, an arm of the World Health Organization has said aspartame is a "possible carcinogen" — but does that label mean much?

A popular artificial sweetener that's widely found in sugar-free foods and beverages is being labeled as a possible cancer risk by the World Health Organization (WHO). WHO's cancer research agency, International Agency for Research on Cancer (IARC), determined aspartame to be a possible carcinogen after reviewing and assessing the potential…

An agency of The World Health Organization, The International Agency for Research on Cancer (IARC), has declared that the artificial sweetener aspartame is a possible human carcinogen.

Concern about aspartame’s health risks was reawakened after one unit of the World Health Organization classified the artificial sweetener as a possible carcinogen and another agency cleared the substance for consumption at common levels.

As the World Health Organization (WHO) declares aspartame a "possible carcinogen", we spoke to doctors to find out just how concerned we should be

Independent experts in 12 countries assembled to create a working aspartame report by the World Health Organization

The International Agency for Research on Cancer (IARC), which is the specialised cancer agency of the World Health Organization, has declared aspartame may be a possible carcinogenic hazard to humans.

Moderate consumption of aspartame is OK, scientists say. But heavy consumers may want to reduce their intake. The WHO says aspartame may "possibly" cause cancer. The FDA questions the evidence.

It has a fatality rate of up to 40 percent