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There is a newly- menace on the roads that could harming our health - brake pads from road vehicles. Scientists have that toxic dust and metal particles from -out brake pads could have the same harmful impact on our bodies as diesel emissions. King's College London that fine dust when a vehicle brakes could a number of health problems. These an inflammation of the lungs, reduced immunity, an increased risk of respiratory problems, and serious infections like bronchitis or pneumonia. It is that 93 per cent of particulate pollution from traffic from sources such as tyres, clutches and brake wear, and road dust.

The scientists say brake dust could the cause of a condition they have "London throat". Sufferers are the city dwellers who continually runny noses and irritating coughs and colds. These could be by people the brake dust. Metal particles the lungs and prevent cells in our immune system from clearing harmful bacteria. Researcher Dr Ian Mudway said dust from the various sources of friction within vehicles doubt on motor industry claims of zero-emission cars. He said: "There is no such thing as a zero-emission vehicle. As regulations to exhaust emissions in, the contribution from [sources such as brake dust] are likely to more significant."