However, from a historical and scientific standpoint, the alleged results may have been mainly due to mere belief by their users that they would be effective ( i. e., the placebo effect ).

However the studies do not account for the placebo and experimental groups differences in attraction in general.

However, placebos can also have a surprisingly positive effect on a patient who knows that the given treatment is without any active drug, as compared with a control group who knowingly did not get a placebo.

However, the placebo effect in treating hypertension is lower in Germany than elsewhere.

However, since cancer patients typically face a higher risk of lactose intolerance, the placebo pill might actually have caused unintended side-effects that made the experimental drug look better in comparison.

However, under the action of placebo the desire and satisfaction slightly improved.

However, the annual incidence of major bleeding due to low-dose aspirin is modest — only 1. 3 patients per thousand higher than what is observed with placebo treatment.

However, because most brand-name ginger ales contain ginger flavouring rather than ginger extract, most experts believe ginger ale's popularity as a home remedy is the result of placebo rather than ginger.

However, none of these studies have been randomized, placebo controlled trials, which are considered the gold standard for evaluating a medical intervention.

However, at 12 month follow-up the difference between the placebo group and the moclobemide group was no longer significant.

However, recent well-controlled placebo studies suggest the regular consumption of flaxseed oil may not reduce the risk of stroke, heart disease, or cancer.

However, if another study is then done in Denmark and again finds a difference between the vitamin and the placebo, then the first study strengthens the case provided by the second study.

However, studies have shown that phenylephrine is no more effective than a placebo.

However, none of these studies were comparisons to a placebo.

However, in both groups, hostility and suicidal behavior increased in comparison to those receiving a placebo.

However, some have raised concerns about this study for its use of the unconventional control arm, rather than comparing the drug against a placebo or standard treatment.

However, the National Institutes of Health performed a "... 12-month randomized, double-blind, placebo-controlled trial, compared several herbal regimens and menopausal hormone therapy ( estrogen with or without progesterone ) to placebo in women ages 45 to 55 ... Newton and colleagues found no significant difference between the number of daily hot flashes and / or night sweats in any of the herbal supplement groups when compared to the placebo group.

However, the largest clinical study regarding the effects of cocoa butter on stretch marks in pregnant women found that results were no different from placebo.

However, subjects who believed that they received testosterone — regardless of whether they actually received it or not — behaved much more unfairly than those who believed that they were treated with placebo.

However, an analysis of data of clinical trials submitted to the FDA concerning the drugs zolpidem, zaleplon and eszopiclone found that these sedative hypnotic drugs more than doubled the risks of developing depression compared to those taking placebo pills.

However, an analysis of data of clinical trials submitted to the FDA concerning the drugs zolpidem, zaleplon and eszopiclone found that these sedative hypnotic drugs more than doubled the risks of developing depression compared to those taking placebo pills.

However the term " the Devil's Chaplain " goes back to Chaucer who has his Parson say " Flatereres been the develes chapelleyns, that syngen evere placebo.

However, at 12 month follow-up the difference between the placebo group and the moclobemide group was no longer significant.

However, because this vulnerability is mutual, it is to the advantage of neither side to destroy the opponent's cities, at least so long as the opponent has nuclear weapons with which to effect reprisal.

However, if the excited atom has been previously ionized, in particular if one of its inner shell electrons has been removed, a phenomenon known as the Auger effect may take place where the quantity of energy is transferred to one of the bound electrons causing it to go into the continuum.

However, the particulates responsible for acid rain ( sulfur dioxide and nitrogen oxides ) do have an adverse effect.

However other reports indicate that piracy does not have an adverse effect on the entertainment industry.

However, there still were several unsolved problems, most notably the description of superconductivity and the Kondo effect.

However, Pol Pot biographer David Chandler argues that the bombing " had the effect the Americans wanted – it broke the Communist encirclement of Phnom Penh ".

However, one might fix on non-psychological goods as the relevant effect.

However, while Muhammad Ali initiated the construction of public buildings in the city, those reforms had minimal effect on Cairo's landscape.

However, during 2006-8, several reviews of case reports and pilot studies have failed to confirm this effect, collectively indicating no statistically significant interaction between daily consumption of 250 mL cranberry juice and warfarin in the general population.

However, some drugs have a better side effect profile than others, enabling doctors to adjust treatment regimens to the advantage of patients in certain situations.

However, because of the Reid v. Covert decision, the U. S. adds a reservation to the text of every treaty that says, in effect, that the U. S. intends to abide by the treaty, but if the treaty is found to be in violation of the Constitution, then the U. S. legally can't abide by the treaty since the U. S. signature would be ultra vires.

However, the cost of calculators fell as components and their production techniques improved, and the effect of economies of scale were felt.

However, barbarian raids during the reign of Marcus Aurelius and removal of statues and other riches ( in effect looting ) by Constantine I caused it to decay.

However, when the slew rate of the current is not so severe ( e. g. Line frequency ) the effect can be safely ignored.

However, this argument has been described as an example of the fallacy of a statistical confounding effect ; it is now known that a herpesvirus, potentiated by HIV, is responsible for AIDS-associated KS.

However, the effect of chewing on the intake of macronutrients, such as sugars, fats, and proteins has not been observed.

However, not only did he reject the title of Dominus during his reign, but since he issued no official documentation or coinage to this effect, historians such as Brian Jones contend that such phrases were addressed to Domitian by flatterers who wished to earn favors from the emperor.

However, the later discovery of the photoelectric effect demonstrated that under different circumstances, light can behave as if it is composed of discrete particles.

" However, it also potentially has the effect of prohibiting tourist photographs of the tower at night from being published, as well as hindering non-profit and semi-commercial publication of images of the tower.

However, one might fix on non-psychological goods as the relevant effect.

However, after the new Constitution took effect, the Congress passed a code of ethics which imposes penalties on members who defy their party leadership on key votes.

However in nonlinear media, such as some crystals, interactions can occur between light and static electric and magnetic fields — these interactions include the Faraday effect and the Kerr effect.

However, the effect did not become widely known until 1820, when Ørsted performed a similar experiment.

However, the view that there is no causal instantaneous effect has also been proposed within the Copenhagen interpretation: in this alternate view, measurement affects our ability to define ( and measure ) quantities in the physical system, not the system itself.