For residents of Fukushima Prefecture, anxiety over their exposure to low levels of radiation has been palpable since the March 11 twin disasters crippled the Fukushima No. 1 power plant.

Residents both in and near the prefecture have been living with these fears as experts seem unable to give clear-cut answers about the possible health impact.

The differing opinions of three radiation experts at the recent Hoshasen to Mukiau (Facing Radiation) symposium reflects how scientists have yet to reach a consensus on how small doses of radiation affect the human body.