Maastricht University

This study tests a new online treatment for social anxiety that combines talk therapy with special breathing exercises. Researchers will enroll 96 adults with social anxiety and randomly assign them to either the combined therapy or a control group. The goal is to see if adding b…

This study tests whether low doses of psilocybin, the active ingredient in magic mushrooms, can reduce pain in people with fibromyalgia. Thirty-five adults will receive a placebo and two different low doses on separate days. Researchers will measure pain tolerance and self-report…

This study looks at how natural changes in female sex hormones during the menstrual cycle affect the way women feel and think after using cannabis. Researchers will give 21 women a set dose of THC (the active part of cannabis) or a placebo at different points in their cycle. They…