相关实验视频
Updated: Jul 1, 2025

08:22
A Preclinical Model of Exertional Heat Stroke in Mice
Published on: July 1, 2021
3.7K
热湿化合物事件对中国南部溺水死亡率的联合影响
Zhiying Jiang1, Ziqiang Lin1, Zhixing Li2,3
1Department of Public Health and Preventive Medicine, Jinan University, Guangzhou, China.
概括
与湿热条件相比,干热天气显著增加了溺水死亡人数. 这项研究强调了高温和低湿度对溺水死亡率的综合风险.
科学领域:
- 环境健康 环境健康
- 公共卫生 公共卫生
- 气候学 气候学 气候学
背景情况:
- 以前的研究将环境温度与溺水联系起来.
- 热量和湿度事件对溺水死亡率的影响仍未得到充分研究.
研究的目的:
- 调查热-湿度化合物事件与溺水死亡率之间的联系.
- 分析热量和湿度对溺水风险的附加相互作用.
主要方法:
- 收集了来自中国南部46个城市 (2013-2018) 的溺水死亡率和气象数据.
- 利用分布式滞后非线性模型和元分析来评估暴露-反应关系.
- 检查了热量和湿度之间的添加相互作用.
主要成果:
- 干热天显示,与湿热天 (14.38%) 相比,溺水死亡率 (32.34%) 的超额风险 (ER) 更高.
- 男性,青少年 (0-14岁) 和城市人口在干燥炎热的日子中遇到更高的溺水风险.
- 干热天占溺水死亡的可归因比例 (23.83%) 比湿热天 (11.32%) 大.
结论:
- 干燥热的天气比潮湿热的天气对溺水死亡的风险更大.
- 高温和低湿度可能会协同作用,增加溺水死亡率.
相关概念视频
Homeostatic Imbalances in Body Temperature
124
Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
124
Methods of reducing fever
663
The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
Pharmacological Methods of Reducing Fever:
663
Responses to Drought and Flooding
10.7K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.7K
Increased Body Temperature
669
A body temperature above 38°C (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
669
Adaptations that Reduce Water Loss
25.6K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.6K
Disorder of Water Balance
391
Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
391

