Dieter Arnold of Germany's Federal Institute for Health Protection of Consumers speaks at a press conference after an emergency session of international food safety experts at the World Health Organization (WHO) in Geneva, June 27, 2002. [International food safety experts said on Thursday that the fatty foods may be cancer-causing but a final verdict needed more research. The 25 specialists, mainly from Europe, the United States and Japan were summoned to Geneva after researchers in Sweden found high levels of acrylamide, a cancer-causing substance in animals, in carbohydrate-rich foods such as potato crisps. The finding, subsequently backed up by similar tests in four other countries including Britain and Norway, triggered a worldwide food scare.]