Result: the rate of right answer about the AIDS knowledge of prevention and prevalence is lower.

云南暗娼人员对艾滋病预防和传播知识的正确回答率较低；

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Method Knowledge of prevention and therapy and the sources of knowledge were investigated in 110 osteoporosis patients over 60.

方法调查110例60岁以上骨质疏松综合症患者对骨质疏松综合症疾病及保健知识了解情况，以及知识来源的途径。

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Community nurses mastered commonly the knowledge of prevention and health care, but lack of the theory and skill of health education.

社区护理人员基本掌握了预防保健的相关知识，对健康教育相关理论与技能知识的掌握不够。

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Try this quiz from the US Centers for Disease Control and Prevention to test your knowledge of antibiotics.

BBC: Action on antibiotics

When scientists embarked on the 13-year journey to map the human genome in 1990, they envisioned a future in which the knowledge of DNA would aid in the diagnosis, treatment and even prevention of thousands of diseases and disorders.

FORBES: The Cloud is Key to the Cure

As research increasingly addresses the roles of early life events and interactions between a variety of factors in relation to specific types of breast cancer, we may acquire significant new knowledge that lends itself to prevention.

FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?