The present invention provides methods for preventing andor treating lysosomal storage disorders using 5-piperidine-3,4-diol, 5-piperidine-3,4-diol, or a pharmaceutically acceptable salt, solvate, or prodrug thereof, or any combination of two or more thereof. The backlight module is positioned for illuminating the liquid crystal panel, and includes a light source and at least one optical member. An air induction system communicates with the combustion chamber through an intake port. The rhythm is demonstrated by having or otherwise indicating a series of objects, such as blocks.