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Pollution can counteract exercise benefits

It’s a nice day, and you’d like to take a run. But your only route is along a busy road, breathing in traffic fumes. Or maybe your doctor has recommended more exercise, but you live in a city and can’t escape the air pollution. advertisement Which is worse — not exercising, or breathing in the bad air? Now, a British study has gone a long way towards answering that question. When middle-aged Londoners were forced to walk in either green and lovely Hyde Park, or along traffic-clogged Oxford Street nearby, their hearts ...