Related Experiment Video
Updated: Jun 8, 2025
06:07
Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System
Published on: October 22, 2020
6.4K
Smoking Cessation and Incident Cardiovascular Disease
Jun Hwan Cho1,2, Seung Yong Shin3, Hoseob Kim4
1Division of Cardiology, Chung-Ang University Gwangmyeong Hospital, Gwangmyeong, Republic of Korea.
JAMA Network Open
|November 1, 2024
Summary
Smoking cessation significantly reduces cardiovascular disease (CVD) risk, especially for light smokers. Heavy ex-smokers may need over 25 years for CVD risk to normalize compared to never-smokers.
Area of Science:
- Cardiovascular Medicine
- Public Health
- Epidemiology
Background:
- The relationship between quitting smoking and cardiovascular disease (CVD) risk, considering cumulative smoking exposure, is not well understood.
- Understanding this association is crucial for public health initiatives and patient counseling.
Purpose of the Study:
- To investigate the link between smoking cessation, cumulative smoking history, and CVD risk.
- To analyze how the time elapsed since quitting influences CVD risk.
Main Methods:
- A retrospective cohort study using the Korean National Health Insurance Service database (2006-2019).
- Categorized participants into current, ex-, and never-smokers based on self-reported habits.
- Tracked smoking status and CVD incidence (cardiovascular death, myocardial infarction, stroke, heart failure) over time.
Main Results:
- A dose-dependent relationship was observed between smoking and incident CVD.
- Ex-smokers with a low cumulative smoking burden (<8 pack-years) showed a significant CVD risk reduction within 10 years, nearing that of never-smokers.
- Heavy ex-smokers (≥8 pack-years) experienced a slower decline in CVD risk, requiring over 25 years to reach levels comparable to never-smokers.
Conclusions:
- Smoking cessation benefits CVD risk, with lighter smokers achieving near-normal risk levels relatively quickly.
- Individuals with a substantial smoking history require a longer period post-cessation for their CVD risk to diminish substantially.
Related Concept Videos
01:26Stress Prevention and Stress Management Techniques IV
26
Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
26
01:20Lifestyle Factors and Health
37
Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
37
01:23Assessment of the Cardiovascular System I: Subjective Data
280
A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
280
01:20COPD: Pathogenesis and Clinical Features
235
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
235
01:25Statistical Methods for Analyzing Epidemiological Data
309
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
309
01:20Exercise and Cardiovascular Response
740
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
740