Getting Smart About Science

Sift - filter, sift through
Sip a steady stream - take a little at a time
Refine - make it pure, remove unwanted substance
Moderation - at a reasonable level
Painstaking - extremely careful, making a lot of effort on it
Conclusively prove - proving something without doubt
Statistic - 統計, 數據
Spectacular - super, fantastic
Epidemiology - study of disease
Bottom line - end result
Absolute risk -
Relative risk -
Bottom line - what is it really want to say
assess - 評估