People were curious about the keto diet, ALS and endometriosis in 2018.
원문출처 : https://www.cnn.com/2018/12/21/health/health-questions-2018-google-explainer/index.html
원문출처 : https://www.cnn.com/2018/12/21/health/health-questions-2018-google-explainer/index.html