Organic compounds known as ‘aldehydes’ are primary source of damage to DNA and also suppress its ability to repair that damage. When it comes to cancer caused by cigarette smoke, experts may have misplaced the bulk of the blame. According to a new study, scientists at NYU School of Medicine and Rutgers University have found that chemicals called aldehydes — present in tobacco smoke in high quantities — are the primary cause of damage to DNA and suppress its ability to repair damage. [...]