Researchers investigated the impact of antibiotic use on survival in more than 2,100 patients in a hospital in Norway between 2017 and 2021 and found that giving antibiotics to people with common respiratory infections was unlikely to lower the risk of death within 30 days. US FDA seeks to allow salt substitutes in everyday foods The U.S. Food and Drug Administration (FDA) on Friday said it was proposing a rule to allow the use of salt substitutes in everyday foods including cheese, frozen peas and canned tuna, in a bid to cut Americans' salt consumption.