Since OSA is a serious medical condition, it must be diagnosed by a physician. Once a diagnosis of sleep apnea is made, the severity of the dysfunction can be classified and treatment options will be given.
White House Anthrax Recommendations Remove Valuable Tool From First Responders: Technology Council Urges Review. The HDTC is a non-profit organization whose purpose is to advise government, business and the public on homeland defense technology issues.
HDR, as its name implies, is a method that aims to add more dynamic range to photographs, where dynamic range is the ratio of light to dark in a photograph. Instead of just taking one photo, HDR uses three photos, taken at different exposures.