second hand smoke

It is estimated that more than 430,000 children are exposed to second hand smoke in cars at least once a week,the estimate comes from the british lung foundation.the house of lords are going to debate whether to ban smoking in cars were children are present.This is a dis proportionate to the problem according to the lobby group for smokers "Forest".A poll of 7500 secondry school childred were taken,of the 7500 schools polled 6% of the childred stated that they were exposed to smoke in there family  cars every day and 8% were exposed once or twice a week.There are no data available for exposure to second hand smoke in cars for children under the age of 11.