相关实验视频
Updated: Mar 7, 2026

04:56
Assessment of Social Transmission of Food Preferences Behaviors
Published on: January 25, 2018
8.6K
美国原住民在疫情期间保护家庭营养的弹性:定性分析
Sarah Vanegas1, Reese Cuddy1, Taylor Billey1
1Department of International Health, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, Maryland, United States of America.
PLOS global public health
|March 5, 2026
概括
美国原住民家庭在COVID-19大流行期间面临着食物和水资源的挑战. 他们利用文化优势和家庭支持,确保积极的儿童养实践.
科学领域:
- 公共卫生 公共卫生
- 营养科学 营养科学
- 土著研究土著研究.
背景情况:
- 美国原住民 (NA) 社区因殖民而经历了历史性的营养不公正,导致粮食和水的不安全和儿童肥胖.
- COVID-19大流行加剧了NA家庭现有的健康差异,影响了食物和水的获取和幼儿养.
- 了解这些挑战对于开发文化相关的干预措施至关重要.
研究的目的:
- 在COVID-19大流行期间,对NA家庭在食物和水的获取以及幼儿养方面的经验进行质量探索.
- 识别NA家庭应对与流行病有关的挑战所采用的弹性因素和应对策略.
- 为旨在改善NA社区粮食安全和儿童营养的未来战略提供信息.
主要方法:
- 定性研究涉及53次深入采访,对0-3岁儿童的NA母亲进行了深入采访.
- 参与者居住在美国以保留为基础的西南社区.
- 采访于2021年7月至2022年2月期间进行,重点关注流行病影响和家庭弹性.
主要成果:
- 疫情封锁和限制加剧了NA家庭获得食物和水的先前存在的障碍.
- 家庭通过利用社会支持系统和传统的食品实践来减轻对儿童营养的负面影响来表现出性.
- 文化优势在适应和克服与流行病相关的逆境方面发挥了重要作用.
结论:
- 社会和文化性因素对于NA家庭在应对公共卫生危机和粮食/水资源不安全方面至关重要.
- 调查结果强调需要文化敏感的方法来支持NA社区的食物获取和积极的儿童养实践.
- 干预措施应承认和建立在NA家族固有的优势和传统实践的基础上.
相关概念视频
Optimal Foraging
14.1K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
14.1K
Dietary Connections
63.4K
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
63.4K
Responses to Drought and Flooding
12.2K
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.
12.2K
Parentral Nutrition: Centeral and Peripheral Parental Nutrition
1.3K
Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
1.3K
Regulation of Food Intake
3.0K
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
3.0K
Defenses Against Pathogens and Herbivores
29.8K
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
29.8K

