The best way to treat head lice is to use a fine tooth comb and extract all the nits (small eggs attached to hair) by hand and then treat the hair with an over-the-counter or prescription product. Watch this video by the American Academy of Dermatology to learn how to get rid of head lice.
Incidence of Panic disorder: About 1.7% of the adult U.S. population ages 18 to 54 - approximately 2.4 million Americans-has panic disorder in a given year. (Source: excerpt from Facts about Panic Disorder: NIMH).
For other uses, see Panic attack (disambiguation). Panic attacks are sudden periods of intense fear that may include palpitations, sweating, shaking, shortness of breath, numbness, or a feeling that something bad is going to happen. The maximum degree of symptoms occurs within minutes. Typically they last for about 30 minutes but the duration can vary from seconds to hours. There may be a fear of losing control or chest pain. Panic attacks themselves are not dangerous.