However, some people who have early-onset Alzheimer's don't have mutations in these three genes. That suggests that this early-onset form of Alzheimer's disease is linked to other genetic mutations that haven't been identified yet.
Early history Cigars, cigarettes Cancer by the carton Legal history Surgeon General's warning. (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.
In this he claimed that tobacco could cure 36 health problems. In 1588, A Virginian named Thomas Harriet promoted smoking tobacco as a viable way to get one's daily dose of tobacco. Unfortunately, he died of nose cancer (because it was popular then to breathe the smoke out through the nose).