Commonly harvested shellfish in Alaska (IMAGE) American Geophysical Union Caption Risk awareness around shellfish toxins helps improve public health for Alaska Native communities, but some people have ceased harvesting altogether, a new GeoHealth study reports. Credit Hugh Roland Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.