Johns Hopkins Bloomberg School Of Public Health

This study works with American Indian communities in North and South Dakota to find practical ways to reduce arsenic in their drinking water. About 57 households with high arsenic levels (10 µg/L or more) are testing water filters and learning about safer water use. The goal is t…

This study looks at how two common malaria drugs work in 182 Zambian children with uncomplicated malaria. The goal is to see how well the drugs clear malaria parasites from the blood and prevent new infections for up to 9 weeks. Children must weigh at least 10 kg and have a confi…

This study tests a culturally tailored program for American Indian families affected by type 2 diabetes. Adult caregivers with diabetes and their youth (ages 10-16) take part in 14 lessons at home with a local health coach. The goal is to improve blood sugar control and overall h…

This study tests a suicide prevention program called Native-RISE in three Indian Health Service clinics. It uses a computer model to identify adults at risk and then connects them with case managers for support. The goal is to reduce suicide attempts in Native American communitie…

This study tests two counseling programs to help 200 women who use drugs in Tanzania start and continue taking PrEP, a daily pill that prevents HIV. One group gets basic support, another gets extra mental health counseling. The goal is to find the best way to overcome barriers li…

This study compares two walking programs in 60 older adults at risk of frailty. One group aims for one 30-minute walk daily, the other for three 10-minute walks. Researchers want to see which approach helps people sit less and feel better, with less stress, pain, and fatigue.

This study tests whether hazard perception and attention maintenance training can reduce crashes and near-crashes among teen drivers. About 8,000 participants from a Washington State driving school are randomly assigned to receive either the special training or standard vehicle m…

This pilot project in two districts of Karnataka, India, tests whether local village task forces can improve health services at Health and Wellness Centres. Over 4,000 residents, including new mothers and adults over 30, will participate. The goal is to see if community-led partn…

This study talks to 40 people who recently used opioids to learn about their thoughts on COVID-19 vaccines and why some might be hesitant. Researchers want to understand barriers to vaccination so they can help more people get protected. The study does not provide any treatment o…

This study planned to see if a mobile app called iRise could help emergency room doctors, nurses, and technicians in Pakistan feel more confident and willing to respond during public health emergencies. The app was designed to provide training and support. However, the study was …

This study looks at how much of certain vitamins and minerals women in Bangladesh need to be healthy. Current daily recommendations are based on well-fed populations and may not work for everyone. Researchers will give different doses to non-pregnant and pregnant women and measur…

This study looks at how the way cannabis products are labeled and marketed changes what people think about them. About 2000 adults who have used cannabis a little or a lot will answer online surveys after seeing a product ad. The goal is to understand how labels affect perception…