MEDIA/MARKETING

Add Advertising: Morgan Marketing & Public Relations in Tustin has been chosen to handle advertising, public relations and marketing for Synergy Wellness Centers, a natural products and services company based in De Soto, Tex. . . . . TH&M; Advertising in Irvine has been selected to handle public relations and advertising services for Bio-Health Inc., a Lake Forest-based maker of food supplements and beauty products made from horse milk. . . . Rodheim Marketing Group in Irvine has been retained to represent Cavere Staff Management Inc. in public and community relations. Cavere, also based in Irvine, is a human resources company that leases employees and offers business services in the areas of payroll, employee benefits, risk management and training and development. . . . Kielhorn & Associates in Los Angeles has been chosen to handle the personal publishing systems division of Canon Corp. in Costa Mesa. Kielhorn will be responsible for heightening awareness of the corporation and its products, and for product promotion and packaging.