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A new federal report finds that climate change is affecting the natural environment, agriculture, energy production and use, land and water resources, transportation, and human health and welfare across the U.S. and its territories.

Non-smokers who had access to smoke-free restaurants, bars and workplaces had lower systolic blood pressure readings than those who lived in areas without smoke-free laws. It's the first study to examine smoke-free policies' impact on blood pressure.