Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that cause vomiting or diarrhea may lead to dehydration. There are a number of other causes of dehydration including heat exposure, prolonged vigorous exercise, kidney disease, and medications that cause voiding (diuretics). One clue to dehydration is a rapid drop in weight. A loss of over 10% (15 pounds in a person weighing 150 pounds) is considered severe.
The name Lucas is of Greek origin, and is used in more than one countries and different languages of the world, especially Dutch speaking countries, English speaking countries, French speaking countries, Greek speaking countries, Persian speaking countries, Spanish speaking countries among others.
http://www.houseofnames.com/lucas-family... Lucas Surname The surname of LUCAS was a baptismal name 'the son of Luke'. Euerard Lucas was recorded in the year 1152 in Hertfordshire and Willelmus Lucas of Yorkshire was listed in the Yorkshire Poll Tax of 1379.he first recorded spelling of the family name is shown to be that of Euerard Lucas. This was dated 1153, in the register of the Knight Templars of England during the reign of King Stephen, 1135 - 1154.