what is tobacco bag stringing 1939 North Carolina conditions Miss May Brown's struggle after

"Because this is a cross-sectional study," the authors noted, "causation cannot be determined." In other words, it is not clear whether the brain differences were caused by marijuana

Migration to search for optimal quality control settings Under this search mechanism, as gazelles migrate in search of food, machines and production settings undergo an exploration phase to identify an appropriate configuration that improves quality control

The theme for this years World No Tobacco Day is Protect the Environment

You might not light up as much as your friend who smokes two packs a day, but even those few cigarettes still take their toll

In: Darby LM, Walsh MM, eds