High levels of radioactive substances have been found in seawater . The impact on marine life is unclear , and tests are expected to continue . On Monday a spokesman for the World Health Organization said short-term exposure to food contaminated by radiation from Japan 's damaged Fukushima Daiichi nuclear plant poses no immediate health risk . Tests also reveal radiation in milk and spinach . Comment:
High levels of radioactive substances have been found in seawater . The impact on marine life is unclear , and tests are expected to continue . Tests also reveal radiation in milk and spinach . Comment: