目的：探讨饮食性味凉热和温度高低对人体影响的规律性与体质的关系。
Objective To discuss the regularity of the influence of cool or hot nature and high or low temperature of diet on body, as well as the relationship between the diet and constitution.
尽管科学家说吸入少量三聚氰胺不危险，而由于没有三聚氰胺对人体影响的检测，科学家不能给出准确的定义。
But while scientists say it's not dangerous to ingest small amounts, they cannot be definitive because there have been no tests on melamine's effects in humans.
这样的一种物质是如何对人体产生影响的呢？
这些元素对人体有什么影响？
对人体健康的影响范围从刺激皮肤(就如图中所示)到癌症。
Health effects in humans range from skin irritation, like that pictured here, to cancer.
因此，科学家们正试图了解碳纳米管对人体健康是否有任何不利影响。
Scientists are therefore trying to work out if there are any adverse effects that nanotubes might have on human health.
为什么细小的有毒化学微粒会影响人体对葡萄糖的处理能力？
Why would tiny particles of toxic chemicals affect our ability to process glucose?
欧洲国家一贯的在EPI环境健康排名上表现良好，这也衡量了污染对人体健康的影响。
Europe scores consistently well in EPI's environmental health ranking, which measures the effects of pollution on human health.
对食品与药品管理局来说，在药品得到批准之前确定它们对人体有何种影响非常重要，但又要在安全允许的范围内让程序加快；许多生命依赖于这一程序。
It was important for the FDA to determine how drugs would affect the body before they were approved, but the process should be as speedy as safety permitted; lives were riding on it.
继续深入的话，研究人员可能会研究BPA和三氯生暴露对人体的长期影响，试图验证二者之间有无因果关系。
Going forward, researchers would like to study the long-term effects of BPA and triclosan in people to see if they can establish a causal relationship.
基本的一点是，炎热指数是一个理解湿热对人体的影响的极为重要的度量方式。
The bottom line is that the heat index is an extremely important measure for understanding heat and humidity's impact on the body.
最新的研究结果显示：尼古丁对人体神经的长期影响在某种程度上是嗜酒成瘾者智力下降的主要原因，因为他们中很多人同时也是老烟民。
The poorer mental function seen among alcoholics, many of whom also regularly smoke cigarettes, may be partially due to the long-term effects of nicotine, new research suggests.
二恶英对人体健康的影响。
只有少量的研究直接观察到了接触DHCP对人体产生的影响。
Only a few studies have directly looked at the effects of DEHP exposure in humans.
毋庸置疑，酒精对人体肝脏的影响最为直接。但是，酒精对人体其他器官又有哪些危害呢？
The direct link between alcohol and the liver is well understood - but what about the impact of alcohol on other organs?
尽管释放出的空气包含有轻微的放射性物质，但我们相信这是最小的剂量，而且对人体健康不会产生影响。
And although the air being vented out does contain some minimal radioactive material, however, we believe that it is a minimal level that does not affect human health.
其中一些设备用来测试太空环境(如明显的失重)对人体的影响——其生物样本包括乘组人员。
Some of the equipment measures the effects of space conditions, such as apparent weightlessness, on biological specimens — including the crew.
而针对种类繁多的纳米颗粒对人体健康的影响，我们更是完全地一无所知。
And it is completely unknown what impact a wide variety of these nanoparticles might have on human health.
他们在讨论人体对信号的吸收以及周围环境的影响。
They’re discussing about how the body absorbs the signal, also based on the surroundings.
他们在讨论人体对信号的吸收以及周围环境的影响。
They're discussing about how the body absorbs the signal, also based on the surroundings.
对受害人群的广泛研究仍在继续，以确定这次事故对人体健康的长期影响。
Extensive studies in the affected population are continuing to determine the long-term human health effects from this incident.
饮食补剂标签会明示该补剂对人体构造或功能有何种影响，但不会宣称该补剂能够治疗甚至治好疾病。
Dietary supplement labels can make claims about how the dietary supplement may affect the structure or the function of the body, but not claims to treat or cure a disease.
吸烟仍是那些可预防性死亡的首要元凶，在生命的各个阶段对人体健康都有消极影响。
Smoking remains the leading cause of preventable death and has negative health impacts on people at all stages of life.
他们还表示，很难将他们的实验室测试结果推断出纳米粒子对人体的实际影响。
They also said it was difficult to extrapolate results from their laboratory tests to the human body.
科学家研究了多种情绪对人体的影响，发现恋爱可以刺激新的脑细胞生长，有助于神经系统的恢复并增进记忆力。
The findings reveal the impact of a good and bad mood and suggest love stimulates the growth of brain cells and thus promotes memory.
有些精通业务的医生和研究人员—虽然这些人不多，并且人数在进一步减少—不那么肯定吸卷烟对人体健康有影响。
Some competent physicians and research workers-though their small number is decreased even further-are less sure of the effect of cigarette smoking on health.
如果由于处理不当导致核物质或辐射不慎泄漏到环境中，将会非常危险，因为有些辐射对人体会造成有害影响。
Radioactive materials — if handled improperly — or radiation accidentally released into the environment, can be dangerous because of the harmful effects of certain types of radiation on the body.
如果由于处理不当导致核物质或辐射不慎泄漏到环境中，将会非常危险，因为有些辐射对人体会造成有害影响。
Radioactive materials — if handled improperly — or radiation accidentally released into the environment, can be dangerous because of the harmful effects of certain types of radiation on the body.
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