The inclusion of residual volume-to-total lung capacity ratio may add another dimension to COPD not routinely captured by standard airflow indices that could be predictive of lower maximum exercise capacity.
Electronic cigarettes was the most commonly used tobacco product in high and middle school students in 2017.
The American Academy of Family Physicians and other signatories called on FDA to apply the proposal to other combustible tobacco products.
E-cigarettes are the most commonly used product in middle and high school students with or without asthma.
In adolescent e-cigarette users, stronger nicotine dependence was associated with being in a higher grade in school, vaping at an earlier age, vaping more frequently, and the use of higher nicotine concentrations.
Body mass index and body fat distribution may influence smoking behaviors.
Redeemable deposits and rewards were superior to free smoking cessation aids with respect to sustained abstinence.
Researchers examined nationwide population-based incidence of lung cancer according to sex, race or ethnic group, age group, birth year, and calendar period of diagnosis.
Toxicant exposure to tar, carbon monoxide, and nicotine are lower with hookahs, but still substantial, compared with cigarettes.
Flavoring commonly used in e-cigarettes suppresses cilia beat frequency, lasting for 60 minutes.
Obesity may be linked with an increased risk of smoking as well as an increase in the number of cigarettes smoked per day.
Using e-cigarettes every day or some days increased the likelihood of developing chronic obstructive pulmonary disease.
Researchers examined the relationship between smoking marijuana and the decline in FEV1 in adults aged 40 years and older.
The most eligible smokers were populated in South, which had most screening sites but the low screening rates
Four models were well-calibrated and had higher areas under the curve than 5 models that overestimated lung cancer risk.
Although there has been a decrease in e-cigarette prevalence in current smokers, there has been an increase in never smokers.
Children with exposure to secondhand marijuana and tobacco smoke have an increased rate of emergency department visits.
Although cigarette taxes were supposedly implemented to encourage smokers to quit, they can have a disproportionate effect on people of low-income status.
The rate of liquid nicotine exposure in children younger than 6 years of age has declined since 2015, but it continues to pose a serious poisoning risk.
Patients with severe asthma who were current smokers were distinguishable from ex-smokers based on their sputum proteomic level of colony stimulating factor 2.
There were no observable differences in the incidence of any cardiovascular events across the smoking cessation treatment groups.
Stronger correlation was seen between electronic cigarette use and marijuana in younger adolescents, aged 12 to 14 years, than for older teens.
In a wide ranging statement, the FDA commissioner Scott Gottlieb, MD, specifically targets novel nicotine-delivery products as being problematic since many of these devices resemble USB flash drives, have high nicotine levels and have emissions that are hard to see.
In men younger than 50, the more cigarettes smoked linked to increased risk for ischemic stroke.
In a study of hospitalized smokers who planned to quit smoking post-discharge, users of e-cigarettes were not as likely as nonusers to refrain from using tobacco at 6 months. However, e-cigarette use in the study population was irregular; further research is necessary to study whether regular e-cigarette use helps or hampers efforts to quit smoking.
Current smoking linked to higher mean left ventricular mass index and lower mean left ventricular circumferential strain.
More average life years gained from cessation and more treatment costs averted for the poorest 20%.
Although 16.2% of small employers used tobacco surcharges, 47% of those did not offer tobacco cessation counseling.
Although varenicline was effective for short-term smoking cessation, more than half of the patients in the EVITA trial relapsed after 1 year.
Researchers observed a strong linear pattern between smoking status and dietary energy density in current smokers.
For adolescents, receptivity was highest for e-cigarette ads and was linked to trying cigarettes.
The more chemicals in e-liquid, the more toxic it is likely to be; in addition, vanillin tied to higher toxicity.
Electronic cigarettes were once thought to be a helpful smoking cessation tool, but new evidence suggests they may be as if not more harmful than combustible cigarettes.
At 6 months, researchers found a negative association between electronic cigarette use and subsequent smoking cessation.
The FDA is seeking data, research, and general information regarding the role that flavors play in youth smoking.
On a population level, electronic cigarettes are associated with more harm than benefit.
Current tobacco smoke exposure is not associated with airflow obstruction in school-aged children, but prenatal smoking is associated with airflow obstruction in children with asthma.
Smokers and nonsmokers had similar symptoms and risk factors present for asthma, but differed in comorbidities.
High-wattage electronic cigarettes may cause airway epithelial injury and small airway constriction.
Overall, 7.2% of women who gave birth in 2016 smoked cigarettes during pregnancy.
Lead and other toxic metals may leak from some electronic cigarettes' heating coils and are present in the aerosols that are inhaled by users.
Compared with individuals who never used tobacco, exclusive current cigarette smokers and exclusive current cigar smokers had increased all-cause mortality risks.
The researchers found that greater perception of harm from e-cigarettes was associated with lower odds of susceptibility to using e-cigarettes and current use of e-cigarettes.
Compared with nonsmokers, smokers believe the mild and severe adverse consequences of smoking will take a longer time to develop.
Overall, 29.2% of veterans report current use of 1 of 5 tobacco products.
Non-cigarette tobacco use is associated with subsequent cigarette smoking among US adolescents.
Pharmaceutical aids are not effective for increasing long-term smoking cessation.
Individuals taking varenicline for smoking cessation may be at an increased risk of cardiovascular events.
Smoking cessation drug varenicline also reduces heavy drinking., especially in men.
Smoking cessation outcomes improve with abstinence contingent incentives.
Few cases of lung cancer suspected in counties with smoke-free ordinances.
Smokers with asthma have been encouraged to switch from conventional to electronic cigarettes, but the latter may still cause respiratory damage.
An estimated 42.0% of all incident cancers and 45.1% of cancer deaths in the United States are attributed to potentially modifiable risk factors.
Prenatal tobacco smoke exposure appears to be associated with airflow obstruction in children who have asthma.
Adolescents who use electronic cigarettes with higher levels of nicotine may progressively increase the frequency and intensity of smoking.
A significant enrichment of potential pathogens occurred in patients who smoked and who were admitted to the hospital for severe trauma.
Current use of 2 or more tobacco products was highest among installation, maintenance, and repair workers.
Researchers found the first evidence that smoking modifies previously reported inverse associations between specific polymorphisms and Parkinson Disease.
Replacing smoking with vaping would result in "substantial" life-year gains.
Smokers with HIV who are adherent to antiretroviral therapy are still likely to die from lung cancer.
The prevalence of smoking is higher in people who have experienced myocardial infarction.
E-cigarettes that contain nicotine may cause arterial stiffness and increase blood pressure and heart rate.
Asking patients to stop smoking before undergoing cosmetic surgery can promote long-term smoking cessation with 40.5% of participants in a recent study no longer smoking on a daily basis.
Study results suggest that smoking status is a potential independent risk factor for psoriasis.
Only 22.7% of smokers with coronary heart disease received some kind of smoking cessation pharmacotherapy during their hospitalization.
In an effort to reduce nicotine to "non-addictive" levels, the FDA will begin a public dialogue.
While counseling is common, few patients are actually prescribed a smoking cessation medication.
Researchers sought to analyze previous data in a real-world context.
Women who experienced a major depressive episode were more likely to be smokers, researchers found.
Electronic medical records inadequate for determining whether patients meet pack-year requirement for lung cancer screening researchers warn.
Smokers had worse rhinosinusitis symptoms and used more antibiotics and oral corticosteroids to treat sinus infections.
Participating countries agreed to introduce policies including high tobacco taxes and smoke-free public spaces.
Although overall tobacco use has declined, more than 4 million teenagers are still using tobacco, according to a CDC report.
Treatment with full-dose angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers was found to slow disease progression in patients with emphysema.
A report published in the Journal of the National Cancer Institute suggests that the FDA should require cigarette filters to remove the holes.
The association between asthma and Rheumatoid arthritis can help identify high-risk patients and improve treatment options.
Annual lung cancer screenings using low-dose computed tomography among high-risk individuals remain "low and unchanged."
Policies requiring patients to attend counseling in before receiving smoking cessation medications negatively affect use of these medications.
Smoking correlated with increased measures of left ventricular mass and worsening diastolic function.
he average cost of health care for smokers was $64,041 compared to $45,918 for nonsmokers, based on the data from the one-year follow-up period.