Chronic infections with hepatitis B and C viruses are the main causes of liver cancer; other relevant risk factors include alcohol, tobacco, obesity and diabetes. (sciencedaily.com)
Combining some of these data with several reliable public health data sources on asthma and using a survey designed to collect information on relevant risk factors, they were able to investigate the presence of any links between BCG vaccination and asthma with a high degree of accuracy. (sciencedaily.com)
At the same time, such overreliance can also cause consumers to ignore more relevant risk factors affecting food safety, including the importance of time and temperature control.» (treehugger.com)