DIET, HEALTHY

This study looked at whether a 12-week program of exercise, a protein-controlled diet, and education could improve health in people with early-stage kidney disease (stages G1 and G2). Fifteen participants completed the program. Researchers measured changes in cholesterol, muscle …

This study tested a new weight loss program called Med-South, which adapts the Mediterranean diet for Southern tastes, against the popular WW (Weight Watchers) program. Over 360 adults with obesity participated for 2 years, with researchers tracking weight loss, blood markers, an…

This study gave 580 Native American adults and children in Osage Nation a weekly box of fresh produce along with healthy recipes and cooking tips. The goal was to see if this program could improve diet, lower blood pressure, and reduce weight. Participants were overweight or obes…

This study looked at whether delivering healthy food to the homes of rural adults with type 2 diabetes and food insecurity could improve their blood sugar control and diet. Over 400 participants either received standard care alone or standard care plus free healthy food deliverie…

This study tested whether giving adults with type 2 diabetes who can't afford healthy food a special prescription for free groceries could help lower their blood sugar. About 600 people took part, and researchers compared those who got the food incentive plus standard advice to t…

This study looked at whether warning labels on foods with non-nutritive sweeteners (like artificial sweeteners) help Chilean parents spot them and choose healthier options for their kids. Over 3,900 parents were shown different labels on products and asked which they would buy. T…

This study looked at whether eating beef every day for 30 days could improve thinking and visual skills in healthy young women. 80 women aged 18-40 took part, with one group eating beef and the other eating a plant-based protein. Researchers measured their performance on a 3D tra…

This study looked at how different diets affect the bladder in 13 healthy adults. Participants followed a special diet for 12 weeks, then switched to an opposite diet for another 12 weeks. Researchers checked urine and bladder cells after each diet to see if food can change bladd…

This study tested a smartphone app called FoodImage to see if it could help people improve their diet and reduce household food waste. 46 adults used the app to track what they ate and threw away over 4 weeks. The goal was to see if smart tips and free fruits and vegetables could…

This study tested a 12-week health coaching program called Sip & Snack Better (SSB) to help teens aged 12-16 reduce added sugar in their diets. Thirty teens and their parents participated, with some receiving coaching sessions and others a tech-only comparison. The study also tes…

This study tested whether color-coded 'Multiple-Traffic Light' (MTL) labels on food products help shoppers make healthier choices. 395 adults in Bahrain used an online grocery store (Bahrain e-Mart) to shop once, either seeing standard labels or MTL labels that color-code nutrien…

This study checks on mothers and their children 12 years after a pregnancy lifestyle program. Researchers want to see if healthy eating and activity during pregnancy affect the child's body composition and long-term health. About 497 families from the original TOP study are invit…

This study tested new paper and electronic checklists that help people describe the foods in their home. The goal was to see if these tools are accurate and easy to use for English and Spanish speakers. 439 adults who do most of the grocery shopping for their home took part. The …

This study looked at whether simple tools like special placemats and a reward card could encourage children aged 4-8 to choose healthier kids' meals at fast-food restaurants. Over 500 families took part across six restaurant locations. The goal was to see if these small changes c…

This completed study from Harvard University aimed to find biological markers in urine, blood, and stool that change after eating specific foods. Researchers gave 115 healthy adults controlled meals and measured hundreds of compounds to better understand how the body processes fo…

This study looked at the best way to give medically tailored meals to families. Researchers wanted to know if it's better to feed the whole household or just one person, and whether a dedicated driver or a commercial shipper is more effective. 103 people took part, and the study …

This study looked at how the tiny organisms in your gut (the microbiome) affect how many calories your body absorbs from food. Researchers measured methane in breath as a clue to different gut bacteria types. Sixty healthy adults ate two special diets that had the same calories b…

This study looked at whether adding a special warning label to ultraprocessed foods (like sugary snacks and packaged meals) changes how parents in Chile shop. Over 3,600 parents were shown different products and asked if they would buy them and if they could spot the ultraprocess…

This study tested whether a Mediterranean diet program works better than standard healthy eating advice for overweight pregnant women. 41 women were randomly assigned to either the Mediterranean diet or routine diet counseling, and received free food and check-ins. The goal was t…

This study tested a program to help teenagers eat healthier and be more active by improving their health literacy—their ability to find, understand, and use health information. 36 teens aged 13-16 took part. The goal was to see if adding a health literacy module to an existing ob…

This study tested a program to help Southeast Asian families (Hmong, Cambodian, Laotian, or Vietnamese) with children ages 6 to 11 eat healthier. The program included nutrition classes, one-on-one talks, text messages, and coupons for healthy food. The main goal was to see if the…