What are the health consequences of smoking? Check out CDC’s overview of other diseases influenced or caused by smoking. Did you know that smoking can cause diabetes? Updated 2022. Causal links are now proven between smoking AND liver cancer, colorectal cancer, diabetes, erectile dysfunction, fertility problems, low birth weight, and age-related macular degeneration, as well as other known health problems such as lung cancer. Exposure to second hand smoke is a cause of stroke.