Johns Hopkins Bloomberg School Of Public Health

This study tests whether a simple oral health program—including daily antiseptic mouthwash and brushing instruction—can reduce the number of babies born too early or too small in rural Nepal. About 2,280 pregnant women will take part. If it works, this low-cost approach could imp…

This study explores how the way cannabis products are labeled and marketed influences what people think about them and whether they want to use them. Researchers will ask 2,000 adults who live in states where recreational cannabis is legal to answer an online survey after seeing …

This study will ask 7,000 adults in the U.S. to order meals from online fast-food menus that have different labels showing the environmental impact of each item. Researchers want to see if these labels lead people to choose healthier foods. The study is a survey, not a real resta…