Despite anything the science of medicine may have achieved, the immune system is our main defence against disease.
不管医疗科学已取得了什么样的进步，免疫系统仍是我们抵抗疾病的主要防御手段。
My research focus is on what happens to our immune system as we age.
我的研究重点是随着年龄的增长，我们的免疫系统会发生什么变化。
Some research even suggests that immune function is improved when we are around our friends.
一些研究甚至表明，当我们和朋友在一起时，免疫功能会得到改善。
Bitter gourd contains a physiologically active protein that can help improve immune functions and prevent cancer.
苦瓜中含有生理活性蛋白质，可以帮助提高免疫功能和预防癌症。
Infections are in many cases mild, with most people making a full recovery and remaining immune from further HAV infections.
大多数感染病例仅有轻微症状，大部分人会完全康复并在未来保持对甲型肝炎病毒的免疫力。
Optimism's benefits for physical health also extend beyond heart health, such as improved immune system function and increased life span.
乐观对身体健康的益处不仅限于心脏健康，还包括改善免疫系统功能和延长寿命。
Many doctors and researchers believe that loneliness harms the immune system, making us more vulnerable to a range of minor and major illnesses.
许多医生和研究人员认为，孤独会损害免疫系统，使我们更容易患上一系列轻微和重大疾病。
For example, social contact can boost the development of the brain and immune system, leading to better health and less chance of depression later in life.
例如，社交可以促进大脑和免疫系统的发育，使人体更健康，并在以后的生活中降低负面情绪出现的几率。
It boosts energy levels and supports the immune system.
它能提高人体精力和增强人体免疫力。
In fact, smiling can boost your mood and even your immune system.
事实上，笑可以振作精神，增强免疫系统。
While stress can weaken immune systems, humor can help strengthen them.
如果说压力能抑制免疫力的话，幽默就能增强免疫力。
Laughing lowers levels of stress hormones and strengthens the immune system.
笑可降低应激激素水平，并加强免疫系统。
Bone marrow cells are known to help restore blood and immune system function.
我们都知道，骨髓细胞可以造血，也可以恢复免疫系统的功能。
The immune system is also capable of recognizing and eradicating certain cancers.
免疫系统也能够识别和消灭某些癌症。
Climate change respects no national borders, and no country is immune from it.
气候变化没有国界。任何国家都不可能独善其身。
As a pediatrician, I know fever is a signal that the immune system is working well.
作为一名儿科医师，我知道发烧是身体免疫系统运行良好的一个信号。
It boosts your immune system: Smiling really can improve your physical health, too.
笑可以增强免疫系统：笑还能够改善身体健康。
When I eat this way, I find that my emotional “immune system” is at peak performance.
当我实行这种饮食法时，我发现自己的“情绪免疫系统”表现极佳。
If the virus later shows up for real, the immune system is primed and waiting for it.
如果该病毒之后真的来了，免疫系统就已经做好了准备。
Getting proper sleep — at least 7 to 8 hours per night — will boost your immune system.
充足的睡眠-每天至少睡7至8个小时-将会增强你的免疫系统。
The healthier you are, the better your immune system will protect you against the virus.
你越健康，你的免疫系统就能更好地抵御病毒的侵袭。
Laughing increases positive endorphins, reduces stress and strengthens the immune system.
大笑可以提高内啡肽水平、减少压力、强化免疫系统。
Many studies show that social support revs up the immune system, and helps prevent colds.
大量的研究已经证明社会帮扶能增强人体的免疫力，有助于预防感冒。
These are ''spotter'' proteins that tag invaders for the immune system to hunt and destroy.
这种蛋白质是免疫系统中的“侦察兵”，它们负责传输入侵者的信息，之后免疫系统才能搜索入侵者并将其摧毁。
The reason is that we all have a secret weapon against bad moods: a psychological immune system.
那是因为我们都有一个对付坏心情的秘密武器：心理免疫系统。
No matter how much we argue against it or pretend to be immune, beauty exerts its power over us.
无论我们多么用力辩驳，或假装对它免疫，美仍然对我们产生影响。
Vitamin-rich vegetables in the broth also turbo-boost the immune system's ability to fight infection.
此外，鸡汤里富含维生素的蔬菜也可提升免疫系统抗击感染的能力。
Cooking tip: Peel, chop and let sit 15 to 20 minutes before cooking to activate immune-boosting enzymes.
烹饪小贴士：将蒜削皮，剁碎，放置15 -20分钟后再烹饪，这样可以激活增强免疫力的酶。
Cooking tip: Peel, chop and let sit 15 to 20 minutes before cooking to activate immune-boosting enzymes.
烹饪小贴士：将蒜削皮，剁碎，放置15 -20分钟后再烹饪，这样可以激活增强免疫力的酶。
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