OBESITY PREVENTION

This study is checking if the weight-loss drug tirzepatide causes older adults to lose too much muscle along with fat, which could lead to weakness. Researchers will give 20 obese adults over age 50 tirzepatide for six months and measure their muscle mass, strength, and walking a…

This study is testing whether a lifestyle program combining a Mediterranean diet, reduced calories, and physical activity can help middle-aged adults with metabolic syndrome lose weight and improve their heart health markers. Researchers will compare this program to standard heal…

This study compares two training programs designed to help community health centers provide better weight management care to Medicaid patients. It will train doctors, dietitians, and other health workers at clinics across the country. The research will measure which training appr…

This study aims to find the best combination of support methods to help people maintain weight loss after they've lost weight. Researchers will test four different approaches—including limiting food variety, home exercises, buddy support, and coping workshops—in various combinati…

This study is testing whether a personalized smartphone app can help adults aged 60 and older adopt healthier lifestyle habits to prevent obesity. For three months, about 30 participants will use the app, which provides recommendations on diet, activity, and other behaviors. The …

This study is testing whether a brief program to help children sleep longer can help prevent excessive weight gain. It will enroll 50 children, aged 6-11, who sleep less than 9 hours a night. Families will either work one-on-one with a nurse to learn sleep strategies or receive e…

This study is testing a year-long family fitness program in community centers to see if it can increase physical activity and improve heart health in Latino families living near the U.S.-Mexico border. Researchers will work with 290 parent-child pairs in San Diego and Mexicali, c…

This study is testing a school-based program designed to prevent obesity in 4th graders at rural tribal schools. Researchers will compare students at two schools using a new health curriculum focused on nutrition and physical activity to students at two other schools not using it…

This small pilot study is testing whether adding hands-on cooking classes makes a standard diabetes prevention program more appealing and easier for people to stick with. Researchers will work with 20 adults at risk for diabetes at two Los Angeles community health centers. The go…

This study aims to find out if eating fruits and vegetables grown organically versus conventionally makes a difference to the bacteria in your gut and your overall health. For four weeks, 44 volunteers will eat meals made with either organic or conventional produce. Researchers w…

This study aims to better understand how much food a person needs to eat to match the energy their body burns, a state called 'energy balance.' Researchers will use special sealed rooms (whole-room calorimeters) to precisely measure the energy burned by 34 healthy participants. T…

This study aims to understand how eating dairy products affects body weight, body fat, and metabolic health. Overweight teens (15-18) and older adults (60-80) will be randomly assigned to either eat three servings of dairy daily or keep their usual low-dairy diet for six months. …