A method of decreasing atherosclerosis and its complications including but not limited to myocardial infarction, stroke, and peripheral vascular disease comprising administering to a human or animal an amount of saw palmetto or Permixon containing saw palmetto sufficient to decrease atherosclerosis and its complications. Infrared radiation arrays and infrared cameras are provided in a monitored area. A surgical reference associated with a base of the modular portal may be repositioned with respect to the base to facilitate a clear line of sight between a sensor of the computer-aided surgical navigation system and the surgical reference. The data classification module is configured to extract identifying information from the data, received from the applications. A pressure safety latch is provided to both vent the vessel before the Hd is moved into its unlocked position and release the lid for unlocking rotatable movement. The driver circuit is configured to amplify a PWM signal to generate an amplified PWM signal.