A friend smoked methamphetamines for two years. Has been clean for seven years. How likely is lung cancer now?

Despite the. Tobacco industry diverting attemtion from their products, only smoked tobacco is sufficiently studied to prove causation of lung cancer, and the elements are identified. Other inhaled "drugs", thc and meth, are clearly not "approved" but cancer link is not there.
Less. Most smoke more than meth. Hope the cigarettes stopped also. At 10 years clean, close back to baseline of others of same risk factors: diseases, age, sex, race as example.

Related Questions

I smoked meth only a Year. Could I. Have lung cancer?

Unlikely. Signs of lung cancer are weight loss, coughing up blood, chronic cough, and shortness of breath. Smoking generally increases risk for lung cancer many years later, however if you have any of the above symptoms you should be checked by a doctor. Read more...
Methamphetamine. The methamphetamine that you smoked may have been cut with other toxic substances that could increase your risk of lung cancer. Meth also increases your risk of heart disease. There is nothing you can do about your past actions - put this behind you and live a healthy and drug free lifestyle from here on out. If you develop a cough or shortness of breath, get a lung exam and chest X ray. Read more...

I'm 24 yrs and I went to a hospital worried about lung cancer my blood analysis and xray came healthy should I worried I use to smoke meth and weed?

Watch for changes. In general, for the short number of years you would have smoked, you should be okay. Lung cancer risk is a lot about genetics and other factors, not just smoking. Congratulations on not smoking any longer. Just keep track of any new breathing symptoms. Also a change in cough or unexplained weight loss should be looked into. Read more...