The Department of Health has reported that secondhand smoke that children often breathe consists of thousands of harmful chemicals. These chemicals are extremely dangerous to the health of the children and put them at a high risk of various diseases such as meningitis, bronchitis, pneumonia and even lung cancer. Conditions of children who already suffer from asthma will become worse. Any vehicle which has a partial or full roof will have to adhere to this law. It doesn’t matter whether you have windows open or not, the sunroof open, and if the air-conditioning is turned on – the law still holds. However, if someone drives a convertible car and the roof is completely down, they can smoke if they want.