It suppresses ignition noises from sparks. Resistor spark plugs prevent electrical interference that can disrupt car radio reception, two-way radio and cellular phone operation. This type of spark plug also prevents electrical noise from interfering with the operation of the computer in the engine. 1  Noise suppression effects of a resistor spark plug. (Compared with one of our conventional types) 2  As shown above, noise is reduced in all frequency zones by installing resistor spark plugs.
This is the first time we have taken a comprehensive view of mental illness on its own.. Estimates of mental illness -- such as major depressive disorder and other mental health problems -- were made based on data from the 2009 National Survey on Drug Use and Health, which polls about 68,700 Americans ages 12 and up.
Social Anxiety Disorder. 15 million, 6.8%. Equally common among men and women, typically beginning around age 13. According to a 2007 ADAA survey, 36% of people with social anxiety disorder report experiencing symptoms for 10 or more years before seeking help. Anxiety disorders are the most common mental illness in the U.S. , affecting 40 million adults in the United States age 18 and older, or 18% of the population. ( 2 Source: National Institute of Mental Health).