A method and apparatus for providing protection against spam calls are disclosed. The method includes determining tissue overgrowth correction factor that includes optical properties of the tissue that cause scattering of the emitted light to a detector and relative amplitudes of the emitted light wavelengths. User manipulation of virtual model characteristics can also be provided and implemented on the physical model using actuators and control devices. On the other hand, the slider moves upward to engage with the rotation shaft to prevent the rotation of the rotation shaft when the liftinglowering cord sags. More particularly, the invention relates to the use of natural product compounds isolated from turmeric, gingko biloba, and ginger, and synthetic chemical analogues thereof, for the treatment of a beta-Amyloid protein-induced disease. The second housing portion includes a plurality of second assembly holes communicating with the housing space.