Smokers are being urged to make 2016 the year they quit for good as part of a new campaign to highlight the risk of lung diseases. <br />Public Health England says too many smokers remain unaware of the risks of preventable conditions such as chronic obstructive pulmonary disease (COPD), which affects more than a million people in the UK. <br />COPD, which narrows the airways, is an umbrella term for a number of serious lung conditions that can leave people struggling to do simple tasks such as climbing stairs.