In the hypothermy environment, obvious increment of human s blood viscosity was observed, which may induce the cerebral infarction, myocardial infarct or coronary heart disease.

• 太阳活动不仅与人间鼠疫及流行性脑脊髓膜炎两类传染病年发病率间存在着较为密切的相关,而且还与肿瘤的发生和婴儿出生率和死亡率的增加、克山病的发生有关。