pellagra

简明释义

英[pəˈlæɡrə]美[pəˈlɑːɡrə]

n. [皮肤] 糙皮病；玉蜀黍疹

英英释义

单词用法

同义词

反义词

例句

1.For the South, pellagra was more than simply a medical problem.

对于南方，糙皮病是不仅仅是一个医学问题。

2.Pellagra is caused by a severe deficiency of biologically available niacin in the diet.

饮食中严重缺乏有利人体的烟碱酸就造成糙皮病。

3.Pellagra was virtually unknown at that time in the Americas, however, even among people who subsisted primarily on maize.

然而，糙皮病在当时的美洲几乎还不为人所知，甚至在主要以玉米为生的人之间也是如此。

4.He could tell of consumption making inroads on entire families and of pellagra, once found only among poor whites, which was now appearing in Atlanta 's best families.

他还能诉说一些肺病和糙皮病如何传染给全家的事，这种情况过去只在贫穷的白人中发生，而如今在亚特兰大最上等的人家里也出现了。

5.They also prevent certain diseases such as rickets and pellagra.

它们还防止某些疾病，如佝偻病和糙皮病。

6.Members of the first group developed pellagra.

第一组的成员开发的糙皮病。

7.A lack of niacin, it caused pellagra, dermatitis, diarrhea, dementia embolism.

缺乏烟酸时，引起糙皮病、皮肤炎、腹泻、痴呆等症。

8.The doctor diagnosed the patient with pellagra, a condition caused by niacin deficiency.

医生诊断患者患有糙皮病，这是一种由烟酸缺乏引起的疾病。

9.Eating a diet high in corn can lead to pellagra if not balanced with other nutrients.

如果饮食中玉米含量过高而没有其他营养素的平衡，可能会导致糙皮病。

10.Symptoms of pellagra include dermatitis, diarrhea, and dementia.

症状包括皮炎、腹泻和痴呆，这些都是糙皮病的表现。

11.Historically, pellagra was common in areas where maize was the staple food.

历史上，糙皮病在以玉米为主食的地区很常见。

12.Public health campaigns have helped reduce the incidence of pellagra in many countries.

公共卫生运动帮助减少了许多国家的糙皮病发生率。

作文

Pellagra is a nutritional deficiency disease that arises primarily due to a lack of niacin (vitamin B3) in the diet. It is often associated with poor nutrition and is commonly seen in populations that rely heavily on maize as a staple food, which is low in niacin. The symptoms of pellagra include dermatitis, diarrhea, and dementia, which are collectively known as the three D's of pellagra. In severe cases, if left untreated, it can lead to death. Historically, pellagra was first identified in the early 20th century among individuals in the southern United States who had diets lacking in diverse nutrients. The condition highlighted the importance of a balanced diet rich in vitamins and minerals. As public health initiatives began to promote better dietary practices, cases of pellagra significantly declined. The significance of understanding pellagra goes beyond just recognizing its symptoms. It serves as a reminder of how essential nutrition is for overall health. The body's need for various vitamins, including niacin, cannot be overstated. Niacin plays a crucial role in energy metabolism and the functioning of the nervous system. Without adequate niacin intake, the body struggles to maintain these vital processes, leading to the onset of pellagra. In modern times, pellagra is relatively rare in developed countries due to the availability of fortified foods and a greater awareness of nutritional needs. However, it can still occur in areas facing food insecurity or among individuals with restrictive diets that do not provide sufficient niacin. This highlights the ongoing need for nutritional education and access to a varied diet. Preventing pellagra involves ensuring that individuals consume adequate amounts of niacin-rich foods such as meat, fish, poultry, and whole grains. For those at risk, dietary supplements may also be recommended. Public health campaigns that educate about the importance of vitamins and a balanced diet can help prevent pellagra and other nutritional deficiencies. In conclusion, pellagra is more than just a medical condition; it is a reflection of broader social issues related to food access and education. By understanding the causes and effects of pellagra, we can work towards better nutritional practices and ultimately improve health outcomes for vulnerable populations. Ensuring that everyone has access to a balanced diet will not only prevent conditions like pellagra but will also contribute to overall well-being and quality of life.

黑色素缺乏症是一种营养缺乏病，主要是由于饮食中缺乏烟酸（维生素B3）而引起的。它通常与营养不良有关，常见于以玉米为主食的人群，因为玉米的烟酸含量较低。黑色素缺乏症的症状包括皮肤炎、腹泻和痴呆，这三种症状统称为黑色素缺乏症的三个D。如果不加以治疗，严重情况下可能导致死亡。 历史上，黑色素缺乏症在20世纪初首次被发现，主要发生在美国南部那些饮食缺乏多样营养的人群中。这种情况突显了均衡饮食的重要性，强调了维生素和矿物质的必要性。随着公共卫生倡导更好的饮食习惯，黑色素缺乏症的病例显著减少。 理解黑色素缺乏症的重要性不仅在于识别其症状。它还提醒我们营养对整体健康的重要性。身体对各种维生素（包括烟酸）的需求不容忽视。烟酸在能量代谢和神经系统功能中起着至关重要的作用。没有足够的烟酸摄入，身体很难维持这些重要的生理过程，从而导致黑色素缺乏症的发生。 在现代社会，由于强化食品的普及和对营养需求的更大意识，发达国家中黑色素缺乏症相对较少。然而，在面临食物不安全的地区或饮食限制的人群中仍可能发生。这凸显了营养教育和获得多样化饮食的持续需求。 预防黑色素缺乏症的方法是确保人们摄入足够的富含烟酸的食物，如肉类、鱼类、家禽和全谷物。对于高风险人群，可能还会建议补充营养品。公共卫生运动通过教育人们维生素和均衡饮食的重要性，可以帮助预防黑色素缺乏症和其他营养缺乏症。 总之，黑色素缺乏症不仅仅是一种医学疾病；它反映了与食品获取和教育相关的更广泛社会问题。通过了解黑色素缺乏症的成因和影响，我们可以朝着更好的营养实践迈进，最终改善弱势人群的健康结果。确保每个人都能获得均衡饮食，不仅可以预防黑色素缺乏症，还将有助于整体健康和生活质量。