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.
Health risks of smoking hookah include exposure to toxic chemicals that are not filtered out by the water and risk of infectious disease when hookahs are shared. There are two theories regarding the origin of the hookah. The first is that the waterpipe was invented in the India, possibly during the era of the Mughal Empire; alternatively, it could originate in Safavid dynasty of Persia, from where it eventually spread to the east into India during that time.