Epidemiological studies have found that children with PDD have no higher prevalence of gastrointestinal tract than normal children.
流行病学研究发现，广泛性发育障碍（Pervasive Developmental Disorder）孩子和正常孩子相比较并没有更高的胃肠道患病率。
Previous studies have found that more optimistic people have a lower risk of developing chronic diseases, and a lower risk of premature death.
之前的很多研究已经发现，越乐观的人得慢性病的风险越低，过早死亡的风险也越低。
Many studies have found that a basic form of learning called conditioning can happen during sleep.
许多研究发现，一种被称为条件反射的基本学习形式可以在睡眠中发生。
Recent studies have found positive effects.
最近的研究发现了积极的效果。
Studies have found that money can, in fact, make people happier.
研究发现，金钱实际上可以让人更快乐。
However many studies have found that feelings and thoughts don't necessarily predict behavior.
然而，许多研究发现，感觉和思想并不一定能预测行为。
Studies have found that lemon and lavender scents can produce the most positive, calming results.
研究发现柠檬和薰衣草的气味能够产生最积极、平静的效果。
Other studies have found that even infants in East Asia sleep about an hour less than European infants.
其他研究发现，即使是东亚的婴儿也比欧洲的婴儿少睡一小时左右。
Other studies have found that watching ads for beer and popcorn may make you more likely to consume them.
其他研究发现，观看啤酒和爆米花的广告可能会提高观看者购买它们的可能性。
Studies have found that rhyming makes it easier to remember things—which is why toddlers can memorize some books before they can read them.
研究发现，押韵可以让记东西更简单——这就是为什么孩子们在会阅读之前就能记住不少书的原因。
Follow-up studies have found that those who chose to delay satisfaction are now more academically successful, have greater self-worth, and even tend to be healthier.
后续研究发现，那些选择推迟满足的孩子现在在学业上更成功，有强烈的自我价值感，甚至往往更健康。
Several studies have found that the coronary patients who exercise most actively have half or less than half the chance of dying of a heart attack as those who are sedentary.
几项研究发现，与久坐不动的冠心病患者相比，积极运动的冠心病患者死于心脏病发作的几率为一半或不到一半。
For years, studies have found that first-generation college students—those who do not have a parent with a college degree—lag other students on a range of education achievement factors.
多年来，研究发现，初代大学生，即父母没有大学学历的人，在一系列教育成就方面落后于其他学生。
For years, studies have found that first generation college students those who do not have a parent with a college degree lag other students on a range of education achievement factors.
多年来，研究发现，父母都没有大学学历的第一代大学生在一系列教育成就方面落后于其他学生。
That's similar to what other studies have found.
这类似于其他的研究发现。
So far, some studies have found damage while others have not.
目前，已有些研究发现损害出现，而有的则还没有进展。
Studies have found that it may help prevent the spread of H.I.V..
研究发现，这可能有助于阻止HIV的传播。
Studies have found temporary tattoos could be another allergy trigger.
研究表明临时性的纹身可能是另一种过敏症的触发器。
Some studies have found that acupuncture effectively relieves menstrual cramps.
有研究表明针灸可以有效的缓解经痛。
Studies have found that residents have high levels of lead in their bloodstream.
研究表明，当地居民的血液中含铅量很高。
The researchers note that other studies have found the opposite effect for chronic pain.
研究人员指出，其他的研究曾表明：这么做对于慢性痛苦具有相反的效果。
But other studies have found no significant link between statins and memory problems.
但还有一些研究表明他汀类药物和记忆问题无显著关系。
Studies have found that Americans are all but alone in giving newborns their own room.
研究还发现只有美国人给他们的新生儿准备单独的房间。
Fact: Studies have found a direct relationship between sleep and many health problems.
事实：研究发现睡眠和许多健康问题直接相关。
Several studies have found that the answer to that question depends on the your gender.
一些研究已经发现对这个问题的答案取决于性别。
A number of studies have found that this generation of teens is less empathetic than ever.
不少研究发现这一代青少年最缺乏同情心。
Other studies have found that up to 60% of the riboflavin is lost under similar conditions.
其他研究也指出，在同样的条件下，60%的核黄素会损失掉。
Despite widespread concerns, studies have found minimal interference with medical equipment.
尽管人们对此都很担心，但研究发现手机对医疗器械的干扰十分微弱。
Studies have found that lemon and lavender scents produce the most positive, calming results.
研究发现柠檬和薰衣草的气味能够产生最积极，平静的效果。
Studies have found that many FASPS patients suffer from a mutation to a protein called PERIOD2.
研究发现很多患FASPS的患者有一种名为period2的蛋白质出现变异。
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