The statement says some research has found a link between sugar consumption and cardiovascular disease, while other research has not found a direct link.

CNN: Sugary drinks linked to 180,000 deaths worldwide

But Moroccan and Spanish investigators have not yet found a clear link between that outrage and the suicide-bombings that killed 45 people (including 12 bombers) in Casablanca, Morocco's largest city, last May.

ECONOMIST: The hunt continues

The IAEA says it is not clear whether there is a link between the particles found at the two sites.

BBC: Uranium found at second Syria site - IAEA