相关实验视频
Updated: May 29, 2025

09:36
Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats
Published on: October 16, 2010
29.5K
植物性饮食和肺癌风险:一项大型前性队列研究
Wei Wei1, Shuyuan Wang1,2, Zhen Yuan2
1Senior Department of Oncology, The Fifth Medical Center of PLA General Hospital, Beijing, 100853, China.
European journal of nutrition
|February 1, 2025
概括
对植物性饮食 (PDI) 的更高坚持与患肺癌 (LC) 的风险降低有关. 这项研究表明,以植物为基础的饮食模式可能在预防肺癌方面发挥作用.
科学领域:
- 营养科学 营养科学
- 在瘤学瘤学.
- 流行病学 流行病学
背景情况:
- 植物性饮食越来越多地被认为具有健康益处,包括预防癌症.
- 然而,它们对肺癌 (LC) 风险的具体影响需要进一步调查.
研究的目的:
- 评估坚持植物性饮食与肺癌发病率之间的关联.
- 检查剂量-反应关系,并确定潜在的改变因素.
主要方法:
- 来自前列腺,肺,结肠直肠和卵巢癌 (PLCO) 查试验的数据分析.
- 开发和应用植物性饮食指数 (PDI) 来衡量饮食坚持.
- 使用多变量考克斯回归和限制立方线 (RCS) 模型进行风险估计和频谱分析.
主要成果:
- 分析了98,459名参与者的队列,其中1642人患有LC.
- 较高的PDI得分与较低的肺癌风险显著相关 (HR四分位数4对1:0.75).
- 在不同肺癌亚型中观察到相反的关联,在特定亚组中更为明显,包括吸烟者和BMI较低的人.
结论:
- 研究结果表明,植物性饮食的坚持与肺癌风险之间存在逆相关性.
- 植物性饮食显示出作为肺癌预防策略的潜力.
相关概念视频
Cancer Prevention
6.0K
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...
6.0K
Lung Capacity
49.2K
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
49.2K
Statistical Methods for Analyzing Epidemiological Data
293
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:
293
Observational Studies
8.2K
Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
8.2K

