Figure 1 (IMAGE) Tohoku University Caption Costs of path A are compared with those of path B. Both the economic and medical costs of path A are higher than those of path B, regardless of the details of the paths Credit Tsuyoshi Hondou Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.