研究称维生素D可缓解多发性硬化症症状
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研究称维生素D可缓解多发性硬化症症状
WASHINGTON, Jan. 20 (Xinhua) -- Patients in the early stages of multiple sclerosis (MS) could "stave off disease symptoms" by increasing their vitamin D intake 1, U.S. researchers said Monday.
The study, published in the U.S. journal JAMA Neurology, found that levels of vitamin D were strongly associated with disease severity and speed of progression in early-stage MS patients.
"Because low vitamin D levels are common and can be easily and safely increased by oral supplementation, these findings may contribute to better outcomes for many MS patients," said lead author Alberto Ascherio, professor of epidemiology and nutrition at the Harvard School of Public Health.
Multiple sclerosis is a central nervous system disease that causes problems with muscle control and strength, vision, balance, feeling, and thinking. The World Health Organization estimated that roughly 2.5 million people in the world have the disease.
The researchers analyzed 2 data from 465 MS patients from 18 European countries, as well as Israel and Canada who enrolled 3 in 2002 and 2003 in a trial looking at the effectiveness of the drug interferon beta-1b in treating the disease.
Vitamin D levels were measured at the onset 4 of their symptoms and at regular intervals 5 over a 24-month period. The results were then correlated with their disease symptoms and progression over a period of five years.
They found that early-stage MS patients who had adequate levels of vitamin D had a 57 percent lower rate of new brain lesions, a 57 percent lower relapse rate, and a 25 percent lower yearly increase in lesion volume than those with lower levels of vitamin D.
Loss in brain volume, which is an important predictor of disability, was also lower among patients with adequate vitamin D levels.
The results suggest that vitamin D has a strong protective effect on the disease process underlying 6 MS, and underscore the importance of correcting vitamin D insufficiency, which is widespread in Europe and the U.S., the researchers said.
"The benefits of vitamin D appeared to be additive 7 to those of interferon beta-1b, a drug that is very effective in reducing MS activity," said Ascherio.
"The findings of our study indicate that identifying and correcting vitamin D insufficiency should become part of the standard of care for newly diagnosed MS patients."
n.吸入，纳入；进气口，入口
- Reduce your salt intake.减少盐的摄入量。
- There was a horrified intake of breath from every child.所有的孩子都害怕地倒抽了一口凉气。
v.分析( analyze的过去式和过去分词 )；分解；解释；对…进行心理分析
- The doctors analyzed the blood sample for anemia. 医生们分析了贫血的血样。 来自《简明英汉词典》
- The young man did not analyze the process of his captivation and enrapturement, for love to him was a mystery and could not be analyzed. 这年轻人没有分析自己蛊惑著迷的过程，因为对他来说，爱是个不可分析的迷。 来自《简明英汉词典》
adj.入学登记了的v.[亦作enrol]( enroll的过去式和过去分词 )；登记，招收，使入伍（或入会、入学等），参加，成为成员；记入名册；卷起，包起
- They have been studying hard from the moment they enrolled. 从入学时起，他们就一直努力学习。 来自《简明英汉词典》
- He enrolled with an employment agency for a teaching position. 他在职业介绍所登了记以谋求一个教师的职位。 来自《简明英汉词典》
n.进攻，袭击，开始，突然开始
- The drug must be taken from the onset of the infection.这种药必须在感染的最初期就开始服用。
- Our troops withstood the onset of the enemy.我们的部队抵挡住了敌人的进攻。
n.[军事]间隔( interval的名词复数 )；间隔时间；[数学]区间；（戏剧、电影或音乐会的）幕间休息
- The forecast said there would be sunny intervals and showers. 预报间晴，有阵雨。
- Meetings take place at fortnightly intervals. 每两周开一次会。
adj.在下面的，含蓄的，潜在的
- The underlying theme of the novel is very serious.小说隐含的主题是十分严肃的。
- This word has its underlying meaning.这个单词有它潜在的含义。
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维生素