A British research team recently published a report in the British Medical Journal · Open, saying that daily intake of a certain amount of coffee can help reduce the risk of liver cancer, and with the intake Increase, the risk will be reduced more. This supports previous research on drinking coffee to reduce the risk of liver cancer.
Researchers from the University of Southampton and the University of Edinburgh explored the relationship between drinking coffee and liver cancer. The team conducted a comprehensive analysis of the data collected from 26 previous studies, involving more than 2.25 million. Participant. Previous studies in the United States and Japan have suggested that drinking coffee can reduce the risk of liver cancer.
The results of the new study show that drinking a cup of coffee a day reduces the risk of liver cancer by 20%; drinking two cups of coffee corresponds to a drop of 35%; if drinking up to 5 cups, the corresponding drop will even reach 50%. %.
According to the team, the relevant effects are the same for people who have coffee habits, although there are data showing that the more coffee, the greater the risk, but the amount of drinking more than 5 cups per day, currently There is not much data to prove its effect. In addition, even caffeine-free coffee can bring some benefits, but the effect is not so obvious.
The impact of coffee on human health has been inconclusive in academia. Previously, the World Health Organization’s International Agency for Research on Cancer listed the habit of drinking high-temperature hot drinks as “higher likelihood of cancer”. It is believed that hot drinks such as coffee and tea, which often drink at temperatures above 65 degrees Celsius, may cause esophageal cancer.
One of the authors of the report, Southampton University scholar Oliver · Kennedy said the findings are not intended to encourage everyone to drink 5 cups of coffee a day, but also require more in-depth research to analyze large intakes of caffeine Is there some potential harm, and there is evidence that certain people, such as pregnant women, should avoid excessive intake of such drinks. (Reporter Zhang Jiawei)