WALTHAM, Mass.--(BUSINESS WIRE)--Interleukin Genetics, Inc. (OTCQB: ILIU) today announced financial and operational results for the first quarter ended March 31, 2012. Total revenue for the three months ended March 31, 2012 was $678,000, compared to $719,000 for the same period in the prior year. The decrease was attributable to lower genetic test revenue.