Most young adults know that alcohol and tobacco aren't good for them—but they may not know the real-life consequences of using these harmful substances. From coughing to cancer, from alcohol poisoning to problems with your liver, alcohol and tobacco can cause serious damage to your health. Smoking and drinking also do damage to your relationships with others and can land you in trouble with the police. Find out more about the dangerous consequences of alcohol and tobacco use. Discover the downside of alcohol and tobacco!