Featured Research

from universities, journals, and other organizations

Shorter time to first cigarette of the day is associated with risk of lung cancer

Date:
June 19, 2014
Source:
Oxford University Press USA
Summary:
Standard markers of nicotine dependency include cigarettes smoked per day, duration of smoking, and cumulative exposure (pack years), but another marker of addiction, time to first cigarette of the day, may also be associated with the risk of getting lung cancer in both heavy and light smokers, according to a study.

Standard markers of nicotine dependency include cigarettes smoked per day, duration of smoking, and cumulative exposure (pack years), but another marker of addiction, time to first cigarette (TTFC) of the day, may also be associated with the risk of getting lung cancer in both heavy and light smokers, according to a study published June 19 in the JNCI: Journal of the National Cancer Institute.

Fangyi Gu, Sc.D., M.D., of the Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, and colleagues analyzed questionnaire data from the Environment and Genetics in Lung Cancer Etiology (EAGLE) study of current and former smokers in Italy and the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer screening trial in the US. Subjects were asked about their smoking history and habits and to answer the question, "How soon after you wake up do you usually smoke your first cigarette of the day?" The responses were categorized as 5 or fewer, 6-30, 31-60, and more than 60 minutes.

In the sample of 3249 ever smokers from the EAGLE study, 1812 were lung cancer patients and 1437 were control subjects matched by residence, sex and age. In analyses adjusted for smoking intensity, duration and other lung cancer risk factors, compared to those with TTFC of more than 1 hour, the risk of lung cancer was statistically significantly higher in those with shorter TTFC. The association of TTFC with lung cancer risk was stronger in current vs. former smokers and, surprisingly, in lighter vs heavier smokers but not different between men and women. In analyses of the PLCO study, lung cancer risk increased in a borderline statistically significant trend.

The researchers conclude that although their results support the association of TTFC with lung cancer risk, prospective and screening studies are needed. They write, "Assessing TTFC may improve lung cancer risk prediction and could be useful in lung cancer screening and smoking cessation programs."


Story Source:

The above story is based on materials provided by Oxford University Press USA. Note: Materials may be edited for content and length.


Journal Reference:

  1. F. Gu, S. Wacholder, S. Kovalchik, O. A. Panagiotou, C. Reyes-Guzman, N. D. Freedman, S. De Matteis, D. Consonni, P. A. Bertazzi, A. W. Bergen, M. T. Landi, N. E. Caporaso. Time to Smoke First Morning Cigarette and Lung Cancer in a Case-Control Study. JNCI Journal of the National Cancer Institute, 2014; 106 (6): dju118 DOI: 10.1093/jnci/dju118

Cite This Page:

Oxford University Press USA. "Shorter time to first cigarette of the day is associated with risk of lung cancer." ScienceDaily. ScienceDaily, 19 June 2014. <www.sciencedaily.com/releases/2014/06/140619172636.htm>.
Oxford University Press USA. (2014, June 19). Shorter time to first cigarette of the day is associated with risk of lung cancer. ScienceDaily. Retrieved September 1, 2014 from www.sciencedaily.com/releases/2014/06/140619172636.htm
Oxford University Press USA. "Shorter time to first cigarette of the day is associated with risk of lung cancer." ScienceDaily. www.sciencedaily.com/releases/2014/06/140619172636.htm (accessed September 1, 2014).

Share This




More Health & Medicine News

Monday, September 1, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

We've Got Mites Living In Our Faces And So Do You

We've Got Mites Living In Our Faces And So Do You

Newsy (Aug. 30, 2014) A new study suggests 100 percent of adult humans (those over 18 years of age) have Demodex mites living in their faces. Video provided by Newsy
Powered by NewsLook.com
Liberia Continues Fight Against Ebola

Liberia Continues Fight Against Ebola

AFP (Aug. 30, 2014) Authorities in Liberia try to stem the spread of the Ebola epidemic by raising awareness and setting up sanitation units for people to wash their hands. Duration: 00:41 Video provided by AFP
Powered by NewsLook.com
California Passes 'yes-Means-Yes' Campus Sexual Assault Bill

California Passes 'yes-Means-Yes' Campus Sexual Assault Bill

Reuters - US Online Video (Aug. 30, 2014) California lawmakers pass a bill requiring universities to adopt "affirmative consent" language in their definitions of consensual sex, part of a nationwide drive to curb sexual assault on campuses. Linda So reports. Video provided by Reuters
Powered by NewsLook.com
New Drug Could Reduce Cardiovascular Deaths

New Drug Could Reduce Cardiovascular Deaths

Newsy (Aug. 30, 2014) The new drug from Novartis could reduce cardiovascular deaths by 20 percent compared to other similar drugs. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins