在德克萨斯州,饮用水中的低水平暴露与癌风险之间的关系
Nishat Tasnim Hasan1, Daikwon Han1, Xioahui Xu1
1Department of Epidemiology and Biostatistics, School of Public Health, Texas A&M University, College Station, TX, 77843, USA.
Environmental pollution (Barking, Essex : 1987)
|October 10, 2024
概括
癌率的上升可能与饮用水中的有关. 这项研究发现,中高含量县的癌症发病率较高,这表明剂量-反应关系.
科学领域:
- 环境健康 环境健康
- 在瘤学瘤学.
- 毒理学 毒理学 毒理学
背景情况:
- 全球癌发病率正在增加.
- 已知致癌物质被怀疑是导致这种增加的原因,特别是在受污染的地下水地区.
- 对低水平暴露和癌的研究是有限的.
研究的目的:
- 评估饮用水含量与癌发病率之间的关联.
- 调查德克萨斯州各县潜在的剂量反应关系.
主要方法:
- 生态研究设计使用来自德克萨斯州240个县的数据 (2016-2020年).
- 空间波桑回归模型分析了28896例癌病例,并对共变量和空间因素进行了调整.
- 从公共和私人水源计算出人口加权的含量.
主要成果:
- 含量中等 (1-5 ppb) 和高 (>5 ppb) 的县分别出现了6%和22%的癌发病率,与低 (<1 ppb) 水平相比.
- 观察到一种显著的剂量反应关系 (p趋势<0.001).
- 水平的每一次翻一番与发生率增加4%相关 (RR 1.04,95% CI 1.02,1.07).
结论:
- 饮用水中低水平的暴露可能与癌风险增加有关.
- 研究结果表明,环境可能是导致癌率上升的因素.
- 需要进一步的前性研究来证实这些关联.
相关概念视频
Urinary Tract Calculi IV: Nutrition therapy and prevention
2
Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
2
Acute Kidney Injury IV: Diagnostic Studies and Prevention
2
Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
2
Chronic Kidney Disease II: Clinical Manifestations
2
Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
2
Types of Toxins
1.6K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.6K
Acute Kidney Injury I: Introduction
2
Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
2
Relative Risk
122
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
122


