Stress reactions can reduce the disease fighting effectiveness of the body's immune system, thereby increasing susceptibility to illnesses ranging from colds to cancer.
压力反应会降低身体免疫系统对抗疾病的效力，从而增加对感冒和癌症等疾病的易感性。
2
Wildlife may be the canary in the coal mine for the dangers of climate change: even minor disturbances in the environment can influence its susceptibility to disease.
煤矿区的金丝雀就可能是一种正受气候变化威胁的动物，环境中的轻微扰动都能影响它们对疾病的易感性。
3
It is now known that genetic variability accounts for 25% of susceptibility to the disease, but that variations in the sickle-cell gene contribute to only a fraction of that.