Scientists from the NOAA agency performed comprehensive physicals last summer on 32 dolphins from the bay as part of a continuing assessment of damage caused by the spill.
They found problems like drastically low weight, low blood Sugar and, in some cases, cancer of the liver and lungs.
Since February 2010, more than 675 dolphins have stranded in the northern Gulf of Mexico (Franklin County, Florida, to the Louisiana/Texas border)-a much higher rate than the usual average of 74 dolphins per year,