时间:2019-01-30 作者:英语课 分类:农业与发展


英语课

DEVELOPMENT REPORT - Study Says Vitamins May Slow AIDS Virus
By Jill Moss 1


Broadcast: Monday, July 12, 2004


This is Robert Cohen with the VOA Special English Development Report.


A study of women infected with H.I.V. suggests that vitamins can delay the progress of AIDS. These are the results of a five-year study in Tanzania. The findings suggest that vitamins could delay the need to start costly 2 AIDS drugs in developing countries. Doctors say the drugs could then go to those who need them most.


American and Tanzanian scientists found that the vitamins increased counts of cells that fight disease. And there were some reductions in H.I.V. levels in the blood. H.I.V. is the virus that develops into AIDS.


There are fourteen kinds of vitamins. People who do not get enough of these chemical compounds in their food, or want more, often take multivitamins. The women in the study took multivitamins that contained large amounts of vitamin B, as well as vitamins C and E.


More than one-thousand pregnant women infected with H.I.V. took part. Some received a daily multivitamin without vitamin A. Others received a multivitamin plus vitamin A. Still others took vitamin A alone. The scientists gave placebo 3 pills to a fourth group of women. These pills contained no vitamins at all.


The mothers received yearly medical examinations. The best results were reported in those who took multivitamins without vitamin A for the five years of the study. The researchers found that these mothers were fifty percent less likely to progress to AIDS as those in the placebo group.


Women who took multivitamins also had fewer problems such as mouth infections and diarrhea as their infection worsened. Still, death rates were not much different between the women who took multivitamins and those who did not.


The researchers say the multivitamins used in the study cost about fifteen dollars for a one-year supply. AIDS drugs can cost developing countries several hundred dollars or more.


The study did not include H.I.V. infected men. But Doctor Wafaie Fawzi at the Harvard School of Public Health says he believes men would also gain from multivitamins.


The New England Journal of Medicine published the results last week. Also last week, the United Nations reported that about five million people became infected with H.I.V. last year. That is the most yet. To hear more about the AIDS crisis, listen to the Health Report at this same time on Wednesday.


This VOA Special English Development Report was written by Jill Moss. This is Robert Cohen.



n.苔,藓,地衣
  • Moss grows on a rock.苔藓生在石头上。
  • He was found asleep on a pillow of leaves and moss.有人看见他枕着树叶和苔藓睡着了。
adj.昂贵的,价值高的,豪华的
  • It must be very costly to keep up a house like this.维修这么一幢房子一定很昂贵。
  • This dictionary is very useful,only it is a bit costly.这本词典很有用,左不过贵了些。
n.安慰剂;宽慰话
  • The placebo has been found to work with a lot of different cases.人们已发现安慰剂能在很多不同的病例中发挥作用。
  • The placebo effect refers to all the observable behaviors caused by placebo.安慰剂效应是指由安慰剂所引起的可观察的行为。
学英语单词
acropora muricata
agricultural watershed
alpine belt
aptenodytes forsteris
bayol
be nicely left
bedered
begonia rhizocarpa otto et drude
bellissima
bolinichthys longipes
booksy
boyang
brambling
bulgarians
Chanh Long
chassisless
check-out
contactless positiontransmitter
crushed flint
cuboes
cutaneous nerve endings
Cymbidium kanran
Deterministic Jitter
dishabilitating
disposable item
DNAP
DO-loop
Dods.
doe eyes
domenicas
drag reducing fluid
dropout value
Dunstan
electromagnetic anechoic chamber
elma
error root-mean-square
exmatriculating
expectation operator
eyedrops of pilocarpine
fancy knit sweater
feedback error correction
filbert gall
Gentiana davidii
geologic modelling
ground precipitate
hot-air seasoning
immigratory
inconsequent
indiquent
juristal personality
lamictal
liabilities to outsiders
marketwide
maximum print position
megger test
monotectoid reaction
mud lamp
Mujazzal, Jab.
musculophrenic arteries
near-trace gather
nearprompt
New Persian
nonweaponized
p-p-t
para-appendicitis
phakopsora tecta
platform inspection
pothat
pubovesical muscle
repudious
reserialized
retinerved
Rib Lake
Santorini's caruncula major
sarcostosis
scrubber brush roll
shutter button
sixth-floors
smatterings
specification for delivery
staid
static fatigue failure
Stierlin's symptom
stythe
subclass crossopterygiis
sunconnects
the imperial palace
time saving device
total containment
train list
trigens
troell
turbine bubble cap plate
unified allocation of materials
Vibrio alcaligenes
vRNA
waves and currents
weakly compact linear mapping
wimper
wreck mark
yellow bedstraw