DIET, HEALTHY

This study tested whether giving adults with type 2 diabetes and food insecurity a financial incentive to buy healthy foods could improve their blood sugar control. About 600 participants were split into two groups: one received a healthy food prescription alone, and the other re…

This study provided 580 Native American adults and children in the Osage Nation with weekly fresh produce, recipes, and cooking materials to improve diet and health. The program aimed to reduce diet-related diseases like high blood pressure and obesity. Results showed positive ch…

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 took part for 2 years. The goal was to see which approach leads to more weight los…

This study looked at whether delivering healthy food to the homes of people with type 2 diabetes who live in rural areas and struggle to afford food can help them manage their condition better. Over 400 adults took part, receiving either standard care alone or standard care plus …

This study looked at how different diets affect the bladder in 13 healthy adults. Participants followed a 'protective' diet for 12 weeks, then switched to a 'non-protective' diet for another 12 weeks. Researchers measured changes in bladder cells and urine markers to see if food …

This study looked at whether adding a special warning label for ultraprocessed foods helps parents in Chile recognize them and change their buying choices. Over 3,600 parents were shown different food packages, some with the extra label, and asked about their purchase intentions.…

This study checks in on mothers and their children 12 years after a pregnancy lifestyle program. The goal is to see if healthy eating and activity during pregnancy affected the child's body composition and the mother's health long-term. About 497 families from the original TOP st…

This pilot study tested whether a Mediterranean diet program is better than standard healthy eating advice for overweight pregnant women. 41 women in early pregnancy were randomly assigned to one of two diet groups and received free food and counseling. The goal was to see which …

This completed study at Harvard gave 115 healthy adults specific foods and measured changes in their urine, blood, and stool. The goal was to find reliable markers that show what people have eaten. This helps improve how we study nutrition and diet in the future.

This study looked at whether warning labels on foods with non-nutritive sweeteners (like artificial sweeteners) help Chilean parents spot those ingredients and choose healthier options for their children. About 3,900 parents were shown different label designs on similar products …

This study tested whether adding color-coded nutrition labels (like traffic lights) to food products in an online grocery store helps shoppers choose healthier items. 395 adults from Bahrain who do the weekly grocery shopping for their household took part. They completed a one-ti…

This study tested a 12-week health coaching program called Sip & Snack Better to see if it could help teens ages 12-16 eat less added sugar. Thirty teens and their parents took part. The program was compared to using only a phone app. The study also checked if a breath or hair te…

This study looked at the best way to provide medically tailored meals to families. 103 participants received meals either for themselves or their whole household, delivered by a dedicated driver or a commercial shipper. The goal was to see which approach improved diet quality and…

This study looked at whether special placemats and a reward card could encourage children to pick healthier meals at fast-food restaurants. About 241 families with kids aged 4-8 took part. Some restaurants used placemats that promoted healthy kids' meals and gave a free meal afte…

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. They completed computer-based cognitive tests to m…