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An activated carbon filter is covered in tiny pores like a sponge

Donald Trump made anti-immigration sentiment a driving force of his 2016 presidential campaign, just he continues to rail against illegal immigration as part of a broader strategy to reduce the flow of foreigners coming into the United States

Because tobacco lobbyists hold sway over state lawmakers, health officials have tried in many states to bypass them, using ballot initiatives that put the decision in the hands of voters

Individual smoking habits vary across time, so use of a single number might not be representative of actual risk for harm

While global cigarette sales have been trending downward for decades, the decline has been anything but even