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.
Smoking refers to the inhalation and exhalation of fumes from burning tobacco in cigars, cigarettes and pipes. Historically, smoking as a practice, was followed by natives of the Western Hemisphere, in religious rituals and for medicinal purposes.It has a history starting from the late 1500s.moking refers to the inhalation and exhalation of fumes from burning tobacco in cigars, cigarettes and pipes. Historically, smoking as a practice, was followed by natives of the Western Hemisphere, in religious rituals and for medicinal purposes.