The risk factors for breast cancer were past disease history, psychological factor and family cancer history.

乳腺癌包括女性生育和生理因素、疾病史、生活精神刺激、家族史、体重；

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The past studies of Zhangqi and Zhangbing come mostly from the angle of disease study, historical geography, and social history of medical and health.

关于瘴气与瘴病的研究，以往学界主要集中在疾病学、历史地理学以及医疗社会史范畴；

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Medical history: healthy in the past, denied hepatitis, tuberculosis, hypertension, diabetes, heart disease etc.

既往史：既往身体健康，否认感言，结核，高血压，糖尿病，心脏病等病史。

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As with any exercise, if you're out of shape, have had back injuries in the past, or have a history of heart disease, check with your doctor before tackling that snowdrift.

CNN: Shoveling snow? How to protect your back (and your heart)