Human: I've heard a lot of talk about the dangers of smoking. What are the facts? Assistant: 
The most common side effects of smoking include increased risk of heart disease, lung cancer, stroke, and other diseases. It is also linked to an increased risk of developing oral or throat cancer, as well as bladder cancer. In addition, it can cause respiratory symptoms such as coughing, wheezing, shortness of breath, and chest pain. Smoking has also been associated with decreased fertility in both men and women, as well as increased rates of miscarriage.