Northumbria University

This study investigates whether different doses of Lion's mane mushroom extract can improve attention and mood in healthy adults aged 18 to 45. Participants will receive the extract and a placebo in a crossover design, allowing each person to serve as their own control. The trial…

This trial tests whether taking a daily capsule of Nepalese pepper extract (Zanthoxylum armatum) for 42 days can improve cognitive speed, reduce mental fatigue, and enhance gaming performance in healthy young action video gamers aged 16 to 39. Participants will take either the pe…

This study tests a smartphone app called CuePD that uses a person's favorite music to help retrain their walking. The goal is to improve gait and reduce fall risk in people with Parkinson's disease. Forty participants who can walk without help will use the app at home and while o…

This study tests whether two dietary supplements can help adults who are poor sleepers improve their sleep quality, thinking skills, and stress levels. Over 28 days, 68 participants will take either an active supplement or a placebo. Researchers will measure sleep efficiency, gut…

This trial investigates whether taking lithium for a week changes how the eyes and brain respond to light in healthy adults aged 18 to 40. Participants will undergo light exposure sessions with and without lithium, while researchers measure melatonin suppression, alertness, mood,…

This pilot study will look at how diet relates to memory and concentration problems (brain fog) in perimenopause. Researchers will ask 60 women aged 40-55 to complete computer-based mental tasks and answer questionnaires about their symptoms and nutrition. The goal is to find whi…

This study tests whether a 60-minute non-invasive ear stimulation (taVNS) can immediately change heart rate, blood pressure, and nervous system balance in 20 healthy adults aged 18-45. Participants will receive both real and sham stimulation in random order to see if the treatmen…