Abstract: In a self-service health parameter measuring apparatus and method, a person's elbow is placed at a spatial reference point, and means surrounding a user's forearm locate an infrared body fat apparatus measurement point at a substantially fixed distance from the spatial reference point. Motor drive means adjustably tighten or loosen a cuff around an upper arm so that measurements on each user are made at substantially the same pressure of the measuring apparatus against a forearm irrespective of the size of the arm. In a preferred form, the preselected measurement pressure is achieved by inflating the cuff to a maximum level, and allowing deflation. Measurement is made when a lower, second preselected level is reached. Blood pressure is also measured in connection with the inflation and deflation operation. Further health parameters may be measured.