harvard square tobacco shop Leavitt & Peirce Inc 1,072 Tobacco Store Stock Photos

Effects on the brain Smoking: Nicotine changes the brain chemistry, making nicotine addiction hard to beat

tobacco flowers drained energy from the leaves, but it was labor-intensive to "top" tobacco plants Source: British Museum, Nicotiana Tabacum (drawn by Mary Delany, 1780) In the 1600's the Virginia gentry who had acquired land needed to import a labor force

Tobacco, Black Mammoth (Nicotiana tabacum) seeds, organic $5.14 Family: Nightshade (Solanacea) Annual: 80 days to harvest (Small Stalk Black Mammoth) This is a Kentucky specialty tobacco that produces large, pointed leaves on a plant to only 5 to 6 feet tall

Heart Disease: Nicotine and tobacco can raise blood pressure and increase heart rate

Molecular mechanisms for nicotine intoxication