Abstract: A health management device according to this invention comprises: an exercise quantity measurer for measuring a quantity of exercise; an intake calorie calculator for calculating an intake calorie on the basis of input information of meal including the types and quantities of foods; a consumption calorie calculator for calculating, on the basis of the information of a quantity of exercise measured by the exercise quantity measurer, a calorie consumed by the exercise; a calorie balance analyzer for analyzing a calorie balance on the basis of the calculation results of the intake calorie and the consumption calorie; a diet effect simulator for simulating a diet effect on the basis of the information of the analyzed calorie balance and personal information; and a moving image display controller for changing a display character to display the diet effect with a moving image.

Abstract: An optical recording medium includes a recording layer which contains as major components an element (A) selected from Ag, Au, Cu and Pt, an element (B) selected from Ti, Zr, Hf, V, Nb, Ta, Mn, W and Mo, and an element (C) selected from Te, Se and S. The medium features high performance and versatile use.