你的身体需要营养才会健康。
你和你的宝贝都需要一定的营养，这样生出来的孩子才会健康。
Both you and your baby need certain nutrients so the baby can grow properly.
联合国儿童基金会认为所有的孩子都应该有干净的水和食物，这样他们才会健康。
UNICEF believes that all children have clean water and food so that they can be healthy.
一定程度的暴露于阳光对健康是必不可少的——只有过分的暴露于阳光才会导致皮肤灼伤受损。
Some exposure to the sun is necessary for health - it is excessive exposure leading to burning of the skin that does the damage.
但是，这种趋势有其内在逻辑：人类健康了，才会生育。
But this trend has its own logic: human beings reproduce when they are healthy.
传统的垃圾食品扔掉吧，健康的零食才会让你保持精力又不至于牺牲了健康。
By refueling with healthy snack foods, instead of traditional junk food, you'll keep your energy levels high without sacrificing your health.
但对于丈夫，当他们的妻子花费更多的时间做家务工作并很少休息，而丈夫有更多时间休息时，他们的皮质醇才会达到健康水平。
For husbands, more leisure time was linked with healthier cortisol when their wives spent more time doing house-related work and less time in leisure.
只要你平时身体健康就不会有危险，只有体弱多病的人才会病得很重。
You're safe as long as you're healthy. Only sick, weak people get really ill.
实际上，只有在将公平作为卫生以及其它部门一项明确的政策目标的情况下，健康差距才会缩小，卫生系统才会努力追求公平。
In reality, gaps in health outcomes will be reduced, and health systems will strive for fairness only when equity is an explicit policy objective, also in sectors well beyond health.
使这个问题复杂化的是，科学家们无法确定吃多少汞污染的鱼，才会触发健康问题。
Complicating this issue is that scientists are not certain how much mercury-tainted fish is needed to trigger health problems.
只有当人暴露在辐射下，对健康的影响才会出现，因此人们要采取的主要保护措施就是防止暴露。
Health effects can only occur if someone is exposed to radiation, thus the main protective action someone can take is to prevent exposure.
只有当消费者要求他们需要更加健康的食物时，食品企业才会改变食物成分。
Only when consumers signal that they want something healthier will the industry change food content.
她说：“这些发现反映了之前的研究成果，即适度饮酒才会有助于骨骼健康。”
These findings mirror results from previous studies which concluded that moderate alcohol consumption could be beneficial to bones, "she said."
它还会显著降低医疗支出，虽然可能不会高于20%，因为人们到了75岁由于健康状况不及年轻的退休者才会使用这部分支出。
It would also significantly reduce spending on Medicare, although by less than 20% since persons over age 75 take the bulk of this spending because they are in worse health than younger retirees.
只有了解环境对健康的影响，人们才会认真考虑这些提议。
Only when people realize the effect that the environment has on their well-being will they take such proposals seriously.
一些研究表明少量饮酒有益心血管循环。公众普遍认同大量饮酒才会危害健康。
While some research suggests that small amounts of alcohol may have beneficial cardiovascular effects, there is widespread agreement that heavier drinking can lead to health problems.
当分娩中的产妇用尽了体力，或者有心脏病，高血压，而用力推会有损她的健康，产钳才会被提出来。
Forceps are considered when a laboring mom is just plain exhausted or if she has a heart condition or very high blood pressure that might make strenuous pushing harmful to her health.
事实上，许多医生只有在患者出现肥胖相关的健康问题时，才会考虑应用减肥药和外科手术。
In fact, many doctors consider them only if you have weight-related health problems.
正因为如此，情绪粒度才会对你的幸福感和健康水平造成重要影响：它让你的大脑在应对生活中的种种挑战时，有了更加精密的工具。
This is why emotional granularity can have such influence on your well-being and health: it gives your brain more precise tools for handling the myriad challenges that life throws at you.
因此，我才会说锻炼对于健康是很重要的。
只有当人们遭受到失去健康的痛苦的时候他们才会意识到健康是多么重要。
Only when people have suffered from the loss of health, will they realise how important it is.
你必须要脂肪以保持健康，而且摄取脂肪才会有饱足感。
You need fat to be healthy, and you feel more satisfied when you eat it.
只有当压力不受人的控制时才会影响正常表现以及身体健康。
It is only when the stress gets out of control can it lead to poor performance and ill health.
所以如果要使用此类医用弹力袜一定要在正规店面购买，最好在医生的指导下合理使用，才会有利于身体健康。
So if you want to use this kind of medical stretch hose must be in regular stores to buy, the best under the guidance of a doctor is reasonable use, will be conducive to good health.
除非哪一天真的病倒了，我们才会反思自己的健康状况。
Ill health is a state that we avoid thinking about until it actually hits us.
除非哪一天真的病倒了，我们才会反思自己的健康状况。
Ill health is a state that we avoid thinking about until it actually hits us.
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