基本营养素:食物还是补充剂? 在哪里应该强调?
Alice H Lichtenstein1, Robert M Russell
1Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA. alice.lichtenstein@tufts.edu
JAMA
|July 21, 2005
概括
专注于饮食模式,而不是单个营养补充剂,是健康的关键. 补充剂已经显示出令人失望的结果和潜在的风险,强调全食食品,以获得更好的结果.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
背景情况:
- 营养补充剂曾经被认为可以优化健康结果.
- 20世纪初的营养分离推动了这种补充方法.
研究的目的:
- 评估营养补充剂与健康饮食模式的疗效.
- 为了确定与营养补充剂相关的风险.
主要方法:
- 对营养补充剂 (如维生素E,β-胡卜素) 的干预研究的审查.
- 分析数据,将饮食模式与健康结果联系起来.
主要成果:
- 对心血管疾病和肺癌的补充试验产生了令人失望的结果.
- 营养物质的毒性和相互作用带来了以前未知的风险.
- 与补充剂相比,饮食模式对积极的健康结果有更多的希望.
结论:
- 整个食物中的因素和整体饮食成分比单个营养水平更为关键.
- 没有足够的证据支持将公共卫生政策从基于食品的建议转变为基于补充剂的建议.
- 需要进一步研究强调补充剂对食物的公共卫生行为影响.
相关概念视频
05:12Murine Nasal Lavage Fluid Collection without Blood Contamination
1.7K
The present protocol describes a novel method for avoiding blood contamination in murine nasal lavage fluid (NLF). Since this method ensures the NLF collection without blood contamination, it allows for more accurate detections of immunological components and various respiratory...
1.7K
03:40Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome
1.1K
OSTSS leads to pooled inflammatory mediators in the tear film, causing symptoms like epiphora and discomfort. Here, we present a case where therapeutic nasolacrimal lavage every 2 months resolved epiphora and itchiness, suggesting its efficacy as a therapeutic intervention for OSTSS. Additionally, we report subjective improvements in symptoms in 3 additional...
1.1K
04:35Saline Lavage for Sampling of the Canine Nasal Immune Microenvironment
880
Saline nasal lavage can be used to sample the canine nasal immune microenvironment. Because the approach is relatively non-invasive and does not disrupt the nasal tissues, it can be performed serially. Cells and proteins collected from the nasal lavage technique can be processed for various laboratory analyses.
880
08:47Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
2.9K
A protocol for conducting a challenge in an allergen exposure chamber (AEC) facility is presented. AECs have proven to be safe and effective tools for the induction of allergic symptoms or as an endpoint in the efficacy testing of allergen immunotherapy due to their ability to maintain stable particle concentrations and environmental...
2.9K
06:49Reduced Itraconazole Concentration and Durations Are Successful in Treating Batrachochytrium dendrobatidis Infection in Amphibians
12.0K
Batrachochytrium dendrobatidis infection in amphibians can be eliminated using a reduced concentration (0.0025%) and shorter duration (five minute baths for six days) of itraconazole than is generally used. Less mortality and fewer negative side effects were observed using this modified treatment...
12.0K
07:15Intranasal Administration of CNS Therapeutics to Awake Mice
61.4K
A method to intranasally administer drugs to awake mice for the purpose of targeting the brain is described. This method allows for repeat dosing over long periods using intranasal administration of drug without anesthesia, and nose-to-brain delivery with minimal systemic...
61.4K