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.
As its popularity grew, tobacco gained value. In the American Colonies, tobacco was used as money throughout the 17 th and 18 th centuries. In fact, in Virginia in 1619, the very first American Thanksgiving celebrated a good tobacco crop. Acceptance of tobacco use was less than unanimous.