While studies have shown that acrylamide can cause neurological damage in mice, there is no conclusive evidence that it causes cancer in humans.

虽然已有研究表明丙烯酰胺会造成小鼠神经损伤，但是并没有确凿的证据表明它会使人患癌。

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Studies of animals, for example, have shown that when a rat experiences stress during pregnancy, it can cause epigenetic changes in a fetus that lead to behavioral problems as the rodent grows up.

例如，对动物的研究表明，老鼠在怀孕期间经历压力会导致胎儿表观遗传发生变化，进而导致啮齿动物在成长过程中出现行为问题。

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Psychologists have shown that babies apparently expect their world to comply with the laws of physics and cause and effect as early as two months of age.

心理学家已经表明，婴儿在两个月大的时候就表现出明显的期望，希望他们的世界遵守物理定律和因果关系。

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But she says it must be shown scientifically that cord blood stem cells cause improvement, and not other reasons.

VOA: special.2011.02.01

Earlier studies have shown that some of the compounds cause hyperactivity and thinking deficits in laboratory animals.

VOA: special.2010.05.26

Even the owner of the mansion they are squatting in has shown some sympathy for their cause.

VOA: standard.2009.11.12

The wealth disparities this can cause were shown in the recently-released list of global MBAs compiled by the Financial Times newspaper.

CNN: The students who give back

The childhood vaccine for whooping cough has not been raised as a possible cause of autism, and the vaccines that were concerning have been shown not to cause autism with substantial evidence, said Stacey Martin, a staff epidemiologist at the U.S. Centers for Disease Control and Prevention who works on pertussis.

CNN: Vaccination role unclear in whooping cough outbreak

It was later withdrawn from the market after it was shown to cause heart attacks.

FORBES: The Vytorin Saga