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.
Tobacco types. Virginia tobacco is named after the US state where it was first cultivated. It is also called 'bright tobacco' because of its yellow to orange colour, achieved during flue-curing. It grows particularly well in subtropical regions with light rainfall, such as Georgia (USA), southern Brazil and Zimbabwe.obacco types. Virginia tobacco is named after the US state where it was first cultivated. It is also called 'bright tobacco' because of its yellow to orange colour, achieved during flue-curing. It grows particularly well in subtropical regions with light rainfall, such as Georgia (USA), southern Brazil and Zimbabwe.