The present invention provides methods for the diagnosis of a disease or condition in an individual. The LED’s are replaceable in the unit and may be interchanged with other LED’s to affect lighting mood and style or simply for replacement in the event an LED ceases to function. The motor housing has a length in the cylinder line direction which is equal to the distance between the centers of cylinders of the engine. The body has an extraction area, and at least some of the light in either the second or third wavelength ranges is internally reflected within the body to the extraction area. This ironing board unit is a folding one and is mounted on the inside of the door. The compositions comprise at least two of an icariin component, a quercetin component, a Maca component, a cocoa polyphenols component, andor a rosmarinic acid component.