Diet quality

This study tests NeoMayor, a smartphone app that gives personalized advice on exercise, diet, sleep, and mood to improve heart health. Researchers will enroll 240 adults aged 55 to 75 in Chile who are at risk for heart problems. Participants use the app for 4 months, and some als…

This study tests if special reflective roof coatings can lower indoor temperatures and improve health in Fiji. About 800 households will receive either a cool roof or usual care. Researchers will measure heart rate, blood sugar, depression, and other heat-related symptoms to see …

This study will test whether applying a special heat-reflecting coating to roofs can improve the health and well-being of 800 households in Colima, Mexico. The coating is designed to keep homes cooler indoors, which may help lower heart rate, improve blood sugar control, reduce d…

This study tests whether social media campaigns can improve diet quality in young adults aged 18-29 who frequently consume sugary drinks and snacks. Participants will see one of three Instagram campaigns: counter-marketing that exposes deceptive food industry practices, health ed…

This study looks at whether using secure digital systems to share information between pediatricians and WIC nutritionists can help mothers get consistent advice on responsive parenting—like how to respond to a baby's needs for healthy eating, sleep, and activity. About 380 pregna…

This study tests whether messages that reveal deceptive food marketing tactics can discourage young adults from wanting sugary drinks and processed snacks. Participants aged 18-29 who regularly consume these products will view different messages about how food companies promote u…

This trial tests whether a smartphone app and smartwatch can help Chinese, Malay, and Indian adults in Singapore improve their physical activity, sleep, and diet. Participants receive personalized digital nudges and complete surveys over 12 months. The goal is to see if these too…