<human>:  What are the long term health effects of smoking?
<bot>: The long term health effects of smoking include an increased risk of many serious diseases and illnesses, such as heart disease, stroke, lung cancer, chronic bronchitis, emphysema, and other respiratory illnesses. Smoking is also linked to reproductive issues, such as infertility in both men and women, as well as a greater risk of miscarriage, stillbirth, and other pregnancy complications. In addition, smoking can cause and worsen other health problems, such as asthma, rheumatoid arthritis and type 2 diabetes.