SALT LAKE CITY--(BUSINESS WIRE)--Jan. 25, 2005--USANA Health Sciences, Inc. (NASDAQ:USNA) today announced that fourth quarter and year-end results will be released after the close of market Tuesday, February 8, 2005; USANA executives will hold a conference call to discuss the announcement with analysts and institutional investors on Wednesday, February 9, 2005 at 11:00 a.m. EST.