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Does Water Have Memory IELTS Reading Academic
Reading Passage 3
Does Water Have Memory?
The practice of homoeopathy was first developed by the German physician Samuel Hahnemann. During research in the 1790s, Hahnemann began experimenting with quinine, an alkaloid derived from cinchona bark that was well known at the time to have a positive effect on fever. Hahnemann started dosing himself with quinine while in a state of good health and reported in his journals that his extremities went cold, he experienced palpitations, “infinite anxiety”, a trembling and weakening of the limbs, reddening cheeks and thirst.
“In short,” he concluded, “all the symptoms of relapsing fever presented themselves successively…” Hahnemann’s main observation was that things which create problems for healthy people cure those problems in sick people, and this became his first principle of homoeopathy: similia similibus (with help from the same). While diverging from the principle of apothecary practice at the time, which was contraria contrariis (with help from the opposite), the efficacy of similia similibus was reaffirmed by subsequent developments in the field of vaccinations. Hahnemann’s second principle was minimal dosing – treatments should be taken in the most diluted format which they remain effective. In case it negated any possible toxic effects of similia similibus.
In 1988, the French immunologist Jacques Benveniste took minimal dosing to new extremes when he published a paper in the prestigious scientific journal. Nature in which he suggested that very high dilutions of the antibody could affect human basophil granulocytes, the least common of the granulocytes that make up about 0.01% to 0.3% of white blood cells. The point of controversy, however, was that the water in Benveniste’s test had been so diluted that any molecular evidence of the antibodies no longer existed.
Water molecules, the researcher concluded, had a biologically active component that a journalist later termed “water memory”. A number of efforts from scientists in Britain, France and the Netherlands to duplicate Benveniste’s research were unsuccessful, however, and to this day, no peer-reviewed study under broadly accepted conditions has been able to confirm the validity of “water memory”.
The third principle of homoeopathy is “the single remedy”. Exponents of this principle believe that it would be too difficult, if not impossible, to ascertain the potential effects of multiple homoeopathic remedies delivered simultaneously. If it did work, they suggest, one could not know quite why it worked, turning homoeopathy into an ambiguous guessing game. If it did not work, neither patient nor practitioner would know whether the ingredients were all ineffective, or whether they were only ineffective in combination with one another.
Combination remedies are gaining in popularity, but classical homoeopaths who rely on the single remedy approach warn these are not more potent, nor do they provide more treatment options. The availability of combination remedies, these homoeopaths suggest, has been led by consumers wanting more options, not from homoeopathic research indicating their efficacy.
Homoeopathy is an extremely contentious form of medicine, with strong assertions coming from both critics and supporters of the practice. “Homoeopathy: There’s nothing in it” announces the tag line to 10:23, a major British anti-homoeopathy campaign. At 10:23 am on 30 January 2010, over 400 supporters of the 10:23 stood outside Boots pharmacies and swallowed an entire bottle of homoeopathic pills in an attempt to raise awareness about the fact that these remedies are made of sugar and water, with no active components. This, defenders of homoeopathy say, is entirely the point. Homoeopathic products do not rely on ingredients that become toxic at high doses, because the water retains the “memory” that allows the original treatment to function.
Critics also point out the fact that homoeopathic preparations have no systematic design to them, making it hard to monitor whether or not a particular treatment has been efficacious. Homoeopaths embrace this uncertainty. While results may be less certain, they argue, the non-toxic nature of homoeopathy means that practitioner and patient can experiment until they find something that works without concern for side effects. Traditional medicine, they argue, assaults the body with a cocktail of drugs that only tackles the symptoms of a disease, while homoeopathy has its sights aimed at the causes. Homoeopaths suggest this approach leads to kinder, gentler, more effective treatment.
Finally, critics allege that when homoeopathy has produced good results, these are exceedingly dependent on the placebo effect, and cannot justify the resources, time and expense that the homoeopathic tradition absorbs. The placebo effect is a term that describes beneficial outcomes from a treatment that can be attributed to the patient’s expectations concerning the treatment rather than from the treatment itself. Basically, the patient “thinks” himself into feeling better. Defenders suggest that homoeopathy can go beyond this psychological level. They point to the successful results of homoeopathy on patients who are unconscious at the time of treatment, as well as on animals.
Complete each sentence with the correct ending, A-K, below.
Write the correct letter, A-K, in boxes 27-32 on your answer sheet.
27. In the late 18th century, Hahnemann discovered that quinine was able to ________
28. The effectiveness of vaccinations also helps to ________
29. Benveniste argued in the journal Nature that water molecules possess the ability to ________
30. Attempts to verify Benveniste’s findings were unable to ________
31. The purpose of the single remedy is to ________
32. Classical homoeopaths suggest combination remedies have been created to ________
A. avoid the unpredictable outcome of combining many remedies at once
B. explain the success of 18th-century apothecary, medicine.
C. produce fever-like symptoms in a healthy person.
D. keep antibody molecules active in parts as low as 0.01%.
E. support the notion of similia similibus.
F. offer more remedial choice.
G. produce a less effective dose.
H. recreate the original results.
I. retain qualities of an antibody to which they were previously exposed.
J. satisfy the demand for hovers.
K. treat effectively someone with a fever.
Choose NO MORE THAN TWO WORDS from the text for each answer.
|Arguments against homoeopathy||Arguments for homoeopathy|
|Has no 33 _________ ingredients||Does not become 34 _________ when taken in large quantities.|
|Lack of a 35_________ makes success or||Remedies can be trialed with no risk of 37 _________ treatments|
|Failure of treatments difficult to 36 _________||tackle causes and not just 38 _________|
|Too much reliance on the 39 _________||Proven to work on people who are 40 _________ Works psychologically but not physically|
Does Water Have Memory IELTS Reading Answers
35. SYSTEMATIC DESIGN
39. PLACEBO EFFECT
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