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First broadscale study finds trees saving lives, reducing respiratory problems.

In the first broad-scale estimate of air pollution removal by trees nationwide, U.S. Forest Service scientists and collaborators calculated that trees are saving more than 850 human lives a year … Continue Reading First broadscale study finds trees saving lives, reducing respiratory problems.

Mechanism that prevents lethal bacteria from causing invasive disease is revealed.

An important development in understanding how the bacterium that causes pneumonia, meningitis and septicemia remains harmlessly in the nose and throat has been discovered by scientists. Streptococcus pneumoniae is a ‘commensal’, which can live harmlessly in the nasopharynx as part of the body’s natural bacterial flora. However, in the very young and old it can invade the rest of the body, leading to serious diseases such as pneumonia, sepsis and meningitis, which claim up to a million lives every year worldwide.

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