Related Experiment Video
Updated: Jul 26, 2026
06:03
Integrating Augmented Reality Tools in Breast Cancer Related Lymphedema Prognostication and Diagnosis
Published on: February 6, 2020
Adverse life events and breast cancer: case-control study
C C Chen1, A S David, H Nunnerley
1Department of Psychiatry, National Cheng Kung University Medical College, Tainan, Taiwan, Republic of China.
BMJ (Clinical Research Ed.)
|December 9, 1995
Summary
Severe life events significantly increase breast cancer risk. Coping with stress by confronting problems further elevates this risk, suggesting a link between life stress and breast cancer development.
Area of Science:
- Oncology
- Psychosocial Oncology
- Epidemiology
Background:
- The potential influence of life events and psychological stress on cancer development remains an area of significant research interest.
- Understanding the relationship between adverse life experiences and breast cancer etiology is crucial for comprehensive patient care and prevention strategies.
Purpose of the Study:
- To quantitatively assess the association between the occurrence of past life events and the subsequent development of breast cancer.
- To determine the strength of this association, considering potential confounding factors.
Main Methods:
- A case-control study design was employed.
- A standardized life events interview and rating system was administered to participants prior to a definitive diagnosis.
- The study included 119 women aged 20-70 referred for biopsy of suspicious breast lesions at King's College Hospital, London.
Main Results:
- Severe life events were associated with a significantly increased risk of breast cancer, with an adjusted odds ratio of 11.6 (95% CI: 3.1 to 43.7).
- Confronting and problem-focused coping strategies for severe adverse events were significant predictors of a breast cancer diagnosis.
- Non-severe life events and long-term difficulties did not show a significant association with breast cancer risk.
Conclusions:
- The study findings suggest a compelling etiological link between significant life stress and the development of breast cancer.
- These results highlight the importance of considering psychosocial factors in breast cancer research and clinical practice.
Related Concept Videos
02:59Cancer Prevention
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
01:20Comparing the Survival Analysis of Two or More Groups
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and Cox...
01:21Cancer Survival Analysis
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
01:19Psychoneuroimmunology: Diabetes and Cancer
Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...