How quickly does lung cancer develop for smokers?

The average doubling time was 191 days, with non-small cell tumors growing significantly slower than small cell lung tumors. Tumors in people who smoked had a more rapid doubling time than those from people who never smoked or had quit smoking.

How old does the average smoker live?

Average life expectancy from age 70 was about 18 years in men who had never regularly smoked, 16 years for men who gave up smoking before age 70 but only about 14 years in men still smoking at age 70. Two-thirds of never smokers (65\%), but only half of current smokers (48\%), survived from age 70 to age 85.

How common is lung cancer in men who have never smoked?

In that study, the risk of developing lung cancer was: 0.2 percent for men who never smoked; 0.4 percent for women. 5.5 percent of male former smokers; 2.6 percent in women. 15.9 percent of current male smokers; 9.5 percent for women.

What percentage of smokers smoke more than 24 cigarettes a day?

Between 1974 and 2018, among current cigarette smokers: The proportion of people smoking more than 24 cigarettes a day decreased 76 percent from 25 percent to 6 percent. The proportion of people smoking 15-24 cigarettes a day decreased 35 percent from 43 percent to 28 percent.

How much does smoking increase your risk of lung cancer?

In one estimate, a 68-year-old man who had smoked two packs per day for 50 years (100 pack-years) had a 15 percent risk of developing lung cancer in the next 10 years if he continued to smoke. This risk would drop to 10.8 percent if he quit smoking.

What are the age groups with the highest rates of smoking?

By Age 2. Current cigarette smoking was higher among persons aged 18–24 years, 25–44 years, and 45–64 years than among those aged 65 years and older. By Race/Ethnicity 2. Current cigarette smoking was highest among non-Hispanic American Indians/Alaska Natives and people of multiple races and lowest among non-Hispanic Asians.