When to see a doctor. See a doctor if you or a loved one has memory problems or other dementia symptoms. Some treatable medical conditions can cause dementia symptoms, so it's important to determine the underlying cause.
A brief history of tobacco. (CNN) -- Tobacco was first used by the peoples of the pre-Columbian Americas. Native Americans apparently cultivated the plant and smoked it in pipes for medicinal and ceremonial purposes.
The origin of the word 'pig' is uncertain: the OED suggests it may have a lost Middle English origin similar to the surviving picbred (meaning 'acorns' or pig-bread). Origin of Pigs. Pigs were first domesticated in the area of what is now eastern Turkey around 9000 years ago by Neolithic tribesmen using wild boar stock.This was the start of the move by humans from hunting to farming. By BC 4900, written records show that pigs were being reared in China.Pig' originally was applied only to young pigs, a use now common only in the U.S. 'Hogs' and 'swine' seem to be the normal American words used generically for pigs, but in the UK 'pigs' comprises all pig animals whatever their age, although 'hogs' and 'swine' may be used in commerce.