a research team from seoul national university conducted a study of more than 139,000 people and found that people who consume soybeans more than twice a week they used 37 % less than people who did not use it after being diagnosed with stomach cancer for the korea herald morning program, the analysis of the research team determined that foods made from soybeans reduce the risk of stomach cancer due to their anti-inflammatory and antioxidant properties. it varies depending on the weight of people, and while they had a suitable body mass index, frequent consumption of bad soy paste reduces the risk of stomach cancer, this relationship was not observed in overweight people, and a canadian company found floating sea bricks that construction on water is possible this sea fire is made of two types of algae and a type of plastic clay, and it can be connected to create a suppressor. this world not only cleans the waters, but also leads to the absorption of carbon from war, and in this sense , it can to be 20 times more effective than forests on land, it is estimated that the use of sea bricks

. >> reporter: a professor of psychology at seoul national university says covid pushed many koreans to develop collective responsibility around health. that's been driving people's behaor more than government mandes. >>ranslator: manyoreans fl enduring a minor inconvenience to protect eryone'sealth a safety tes priority. it's good that people have developed a strong independent rule set around when to wear masks. they'll likely have to decide indivially whe it is se to op. >> reporter: as for the government, south korea says if infections continue trending downward, all mask mandates could be dropped in may. at that point, any answer to the question to mask or not to mask will truly be left to individuals. nhk world, seoul. >>> a psychiatric hospital in western tokyo is under investigation on suspicion that four of its workers assaulted say pais she patients. some viewers may find the alleged abuse disturbing. tokyo police arrested one of the four, a nurse at takayama hospital, and they searched the facility on wednesday. investigators suspect the assaults took place last year from