Soon there was a thick black pall of smoke hanging low over the apartment blocks and minarets.

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My technical mind processed the frequency of tweets (unlike some of our politicians on Twitter) and concluded it was not an injured bird but one of the smoke detectors with a low battery.

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"And your baseline risk is low, " because I don't smoke and I'm not fat.

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With counsel from TIRC, tobacco companies began mass-marketing filtered cigarettes and low-tar formulations that promised a "healthier" smoke.

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The image is grainy, but good enough to be able to fly at very low level at night, although rain, fog, or smoke adversely affect it.

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Alternatively, a depressed mother may be more likely to produce a child who is prone to depression - and to have a low birth weight baby because they may be more likely to smoke and drink during pregnancy.

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The military said smoke from the pit exposed troops to toxic emissions, including low levels of cancer-causing dioxins.

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"She could see the smoke and knew the brigade were there so she got as low on the ground as as she could, " he said.

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Experts hope to reduce this figure to 15% by 2010 as women who smoke while pregnant are three times more likely to have a low birth weight baby.

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Thick smoke rose from the fast-moving fire, which was being fueled by high winds and low humidity, Dunn said, adding he expects the same conditions Sunday.

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