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migraine
(Encyclopedia)migraine mīˈgrān [key], headache characterized by recurrent attacks of severe pain, usually on one side of the head. It may be preceded by flashes or spots before the eyes or a ringing in the ears,...insomnia
(Encyclopedia)insomnia, abnormal wakefulness or inability to sleep. The condition may result from illness or physical discomfort, or it may be caused by stimulants such as coffee or drugs. However, frequently some ...leptospirosis
(Encyclopedia)leptospirosis lĕpˌtəspīrōˈsĭs [key], febrile disease caused by bacteria of the genus Leptospirae. The disease may affect dogs, cattle, pigs, sheep, goats, and horses and is also transmissible t...rotavirus
(Encyclopedia)rotavirus, double-stranded RNA virus, genus Rotavirus, with a wheellike appearance that can cause severe watery diarrhea and vomiting, sometimes leading to severe dehydration and death. The virus is t...nausea
(Encyclopedia)nausea, sensation of discomfort, or queasiness, in the stomach. It may be caused by irritation of the stomach by food or drugs, unpleasant odors, overeating, fright, or psychological stress. It is usu...will-o'-the-wisp
(Encyclopedia)will-o'-the-wisp, phenomenon known also as ignis fatuus and jack-o'-lantern. It is seen at night as a pale, flickering light over marshland. There is no generally accepted explanation for it; it may r...Wilderness campaign
(Encyclopedia)Wilderness campaign, in the American Civil War, a series of engagements (May–June, 1864) fought in the Wilderness region of Virginia. Early in May, 1864, the Northern commander in chief, Grant, led ...water rights
(Encyclopedia)water rights, in law, the qualified privilege of a landowner to use the water adjacent to or flowing through his property. The privilege, also known as riparian rights, may be modified or even denied ...Ménière's disease
(Encyclopedia)Ménière's disease mən-yĕrzˈ [key], disorder of the inner ear characterized by recurrent vertigo combined with hearing loss and tinnitus (a ringing sensation). It was first described by the French...civil commitment
(Encyclopedia)civil commitment or involuntary commitment, process by which a court determines whether or not to order an individual to receive treatment or care or be confined. A person may be committed after a hea...Browse by Subject
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