Most researchers would be amazed to discover that opinions they have about cherished themes in biology and medicine are biased. Van der Steen and Ho contend that logic and methodology are not well applied in biology and medicine, arguing that the impact of social and moral factors on claims within these two disciplines is underestimated. In response to this situation, Van der Steen and Ho present tools from logic and ethics for assessing existing literature. These tools will help to create sound articles and materials in the life sciences.

After reviewing logic and methodological...