COGNITIVE CHANGE

This study tested whether eating one avocado and one cup of mango daily for 8 weeks could improve blood vessel health and thinking in 82 adults with pre-diabetes. Participants were randomly assigned to either a diet including these fruits or a matched control diet. Researchers me…

This completed study tested a program called HomeStyles-2, which aims to help parents of children aged 6 to 11 create healthier home environments. The program focuses on improving diet, physical activity, and sleep habits to prevent obesity. Over 450 families participated, with s…

This completed study tested whether taking a daily whey protein drink rich in phospholipids for 6 to 12 weeks could improve memory, mood, and overall wellbeing in healthy adults aged 25 to 49. 119 participants were randomly assigned to receive either the active supplement or a pl…

This study tested whether taking royal jelly (a bee product) as a daily supplement for 4 weeks could improve memory and thinking in healthy adults aged 55-70. Researchers measured cognitive test scores and blood markers of inflammation. The goal was to see if royal jelly's anti-i…

This study tested a gentle electric current (tDCS) on the brain to see if it could help people with a past traumatic brain injury find words more easily. Fourteen adults with long-term word-finding problems took part. They received either real or fake stimulation while doing memo…

This small study tested whether a gentle electric current applied to the scalp (tDCS) could improve word-finding in 5 civilians who had a traumatic brain injury more than a year ago. Participants received both real and sham stimulation to see if the real treatment boosted verbal …

This study tested whether a slow-release caffeine pill (zümXR) could improve mood, alertness, and reduce side effects like jitters compared to regular caffeine after a night of poor sleep. Thirty-six healthy adults who usually drink moderate amounts of caffeine took part. They sl…

This study tested whether a dietary supplement called Virtiva Plus, which contains ginkgo biloba, can help reduce stress and improve thinking in people aged 50 to 70 who feel stressed. Sixty participants took either a low or high dose twice daily for five weeks. Researchers measu…

This completed pilot study scanned the brains of 30 people who were hospitalized with COVID-19 and later reported memory, concentration, or organizational problems—often called 'brain fog.' Researchers used MRI and spectroscopy to look for changes in brain structure and chemistry…

This study looked at whether a 15-minute meditation practice called Shoonya meditation can help people stay sharp after a night without sleep. Researchers compared regular meditators to people who nap regularly, measuring brain activity, heart rate, and cognitive performance. The…

This study tested whether a short bout of running at different intensities could improve attention and emotional well-being in 120 university students aged 18-24. Participants completed 16-minute sessions of sitting quietly or running at light, moderate, or vigorous levels. Resea…

This study looked at whether breathing extra oxygen (hyperbaric oxygen) helps healthy adults do multiple things at once, like paying attention while moving. Twenty-four healthy volunteers with at least 12 years of education took cognitive and motor tests in normal and high-oxygen…

This early-stage study tested whether a working memory training program is practical and acceptable for people aging with HIV. Researchers enrolled 100 participants aged 50-85, including those with and without HIV, to see if the training could improve memory and thinking skills. …

This completed study tested whether a head-mounted sensor and mild electrical stimulation on the ear could help healthy adults stay focused and resist cybersickness during virtual reality tasks. 45 volunteers completed attention, multitasking, and motion-sickness tests while rece…

This study tested whether a daily NAD+ supplement can improve thinking and reduce inflammation in healthy women aged 40 to 80. Participants took either NAD+ or a placebo for 4 weeks and completed computer tests and blood draws. The goal was to see if NAD+ affects memory, attentio…

This study gathered test results from 1,300 healthy adults aged 50 and older to create a reference database for a quick, tablet-based brain function test called BrainCheck. The goal was to establish normal score ranges and check if the test gives consistent results over time. No …

This completed study tested whether a daily fermented soy powder (Q CAN PLUS) could improve thinking skills, immune function, and response to the flu shot in healthy adults aged 65 and older. 62 participants took either the soy supplement or a placebo for 16 weeks. Researchers me…

This completed trial enrolled 240 healthy newborns to see if a formula containing HMO, DHA, and ARA improves cognitive scores at 12 months compared to a standard formula or breastfeeding. Babies were fed the assigned formula or breast milk for up to a year, and their thinking ski…

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…