And here, we do see a nice statistically significant separation of the two lines of data for subjects on calcium supplements and subjects on placebo.

在这里我们确实可钙补充和的两行统计数据存在着明显的分离。

A placebo, by the way, is a substance with no physical effects that is used when testing a drug.

这里要提一下，是一种在测试药物时不会造成任何生理反应的物质。

Trying to link headaches to anything is already a challenge, since many times even a placebo can have high returns in headache correlations.

试图将头痛与任何事情联系起来已经是一个挑战，因为很多时候即使是也可引起头痛。

One study found that participants who consumed flavonoid-rich orange juice had increased alertness and cognitive function compared to their counterparts who were fed a placebo.

一篇研究发现受试者饮用富含黄的橘子汁后，与服用的受试者比较起来注意力与认知能力有显著增加。

On one hand, it's a placebo effect.

一方面，这是一种效应。

The other half received an inactive substance, called a placebo.

另一半接受了一种被称为的非活性物质。

And yeah, that's why your body accepts placebos as real medicines.

是的，这就是为什么你的身体会把当成真药。

Because I do feel like there's a legitimate chance that this could be placebo, right?

因为我确实觉得这有可能是，对吧?

" 10 milligrams of phenylephrine works no better than a placebo."

“10 毫克苯肾上腺素的效果并不比好。”

This is where the placebo effect comes into play.

这就是效应的作用。

I'm a placebo for group one, two, and three.

我是第一组、第二组和第三组的。

Against an actual placebo, all three doses did not have a statistically significant benefit.

与实际使用的人相比，三种量都没有在数据上显示有显著的好处。

Even if it's a placebo, it's working on me.

即使是，它对我也有效。

In the second, they were given a placebo but was told it was Adderall.

在第二组中，研究人员给了他们，但告诉他们是 Adderall 。

It doesn't matter what supplement, because supplements don't work, but the placebo effect does.

补充是什么无所谓，因为补充不起作用，但效应有效。

Researchers randomly assigned 159 pregnant smokers to take either daily vitamin C pills or placebos.

研究人员们随机抽选了159名怀孕期间仍然吸烟的妇女，让她们每日服用维生素C或者。

Now a study finds that there may be levels of placebo effect.

现在一项研究发现效应也分级。

I don't know. Some sort of placebo effect, I guess. Placebo, you say. Interesting.

不知道，算是效应吧。，是吧？有意思了。

Overall there was about a 33 percent reduction in risk for heart attacks, strokes and other major cardiovascular events in those who received the flu shot, compared to those who'd received a placebo or just the standard of care, said Udell.

相比接受或只是标准护理的人来说, 接种流感疫苗的人患心脏病，中风及其它主要心血管疾病的风险整体下降大约33%。尤戴尔说道。

In all of these phases, humans are given the candidate vaccine and others are given a placebo with the goal to help make it easier to compare the efficaciousness of the vaccine.

在试验中，受试者被分为注射候选疫苗的实验组和给的对照组，便比较疫苗的有效性。