Cell phones cannot cause cancer, because they do not emit enough energy to break the molecular bonds inside cells.
手机并不能导致癌症，因为它们放射的能量不足以破坏细胞内的分子链。
Because the virus could accidentally switch on cancer genes, the cells would not be safe enough to use in patients.
由于病毒可能会意外地启动细胞本身含有的致癌基因，因此这种方法生成的干细胞用在患者身上就不够安全。
If that were not enough, the fruit also protects our mitochondria - the elements of cells which turn the food we eat into energy.
如果这还不够，番茄还可以保护我们的线粒体，一种把我们吃的食物转化为能量的基础细胞。
When there is not enough haemoglobin in the red blood cells, oxygen cannot get to all parts of the body.
当红血球里没有足够的血红蛋白时，氧气则无法到达身体各个部位。
If they catch it early enough, they can administer the clot-busting drug tPA to keep even more brain cells from dying—but tPA is not appropriate for all types of stroke.
如果他们能够在早期发现中风征兆，那么可以通过给病人服用抗栓塞药物（TPA）以避免更多的脑细胞死亡，但这种药物不是对所有种类的中风都有效。
You may have up to 30% more blood than when you're not pregnant. If you don't have enough iron, your body can't make the red blood cells that it needs to make this extra blood.
你也许有比不怀孕时多30%的血液，假如你没有足够的铁，你的孩子将不能天生血红细胞往制造更多的血液。
If the body does not produce enough red blood cells, anemia results. To correct this condition, persons may take drugs containing iron and certain vitamins.
如果身体不能制造足够的红血球，就引起贫血。为了矫正这一状况，可服用含铁和某种维生素的药物。
He argued that focusing on killing or slowing the spread of cancerous cells was not enough.
他认为，只关注如何杀死癌细胞或减缓癌细胞的扩散是不够的。
In some people, the body is not able to produce enough cortisol. In these cases, the immune response runs amok, attacking friend and foe alike, eventually taking aim at the body's own cells.
对于一些人来说，当身体无法产生出足够多的皮质醇的时候，免疫系统就失去了控制、敌友不分，最终把目标指向了自己的细胞。
Whether this technology can be used to extend the period needed to grow enough cells for a permanent graft is not known and future research is needed to see if it is, the researchers say.
这些研究者们说，还不知道是否可以利用这种技术来延长为生长足够多的细胞用于永久性移植所需要的时限，因此需要进一步研究去看它是否这样。
In type 2 diabetes, the body does not produce enough insulin or the cells ignore the insulin.
在这些二型糖尿病案中，病理表现为身体不能够产生足够的胰岛素或细胞对胰岛素不应答。
It focuses so many art studios there, various colors, ideas and styles made me think that my eyes and brain cells were not enough then.
那里集中了很多的艺术工作室。当时，形形色色的色彩，创意和风格让我目不睱接，脑细胞几乎来不及运转。
Then the cells, for example, the ones in the center of the eye, do not get enough blood and may be damaged.
然后那些细胞，例如，在眼睛的中心的细胞， 由于得不到足够血液，也可能被损坏。
"The stem cells have a certain positive effect following injury, but not enough for spinal cord functionality to be restored," says Jonas frisen.
“干细胞在损伤后有某种正面效果，但是对脊髓功能的恢复是不够的，”Jonas frisen说。
"The stem cells have a certain positive effect following injury, but not enough for spinal cord functionality to be restored," says Jonas frisen.
“干细胞在损伤后有某种正面效果，但是对脊髓功能的恢复是不够的，”Jonas frisen说。
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