Motion sickness

This trial tests whether adding a low-dose propofol infusion during general anesthesia can prevent post-operative nausea and vomiting (PONV) in adults with a history of PONV or motion sickness. Participants receive either a hybrid approach (propofol plus sevoflurane) or propofol …

This study tested a 4-week virtual reality exercise program to help people who get motion sickness from visual cues, like in VR or certain videos. 46 adults, some with and some without motion sickness, took part. The program used 360-degree travel videos in a VR headset to gradua…

This study tested different doses of liposomal bupivacaine, a long-lasting numbing medicine, in 55 adults having shoulder surgery. The goal was to find the smallest dose that still blocks pain but lets patients move their arm. Researchers used a special method where each patient'…

This study looks at how taking caffeine in different ways—daily low doses, gradually increasing doses, or only on workout days—affects muscle growth and strength in 180 young men who don't normally drink caffeine or exercise with weights. Participants will follow two 4-week super…

This study looked at how two common seasickness drugs (scopolamine and meclizine) change inner ear balance tests in 54 healthy soldiers who get seasick. Researchers measured eye movements before and after taking the drugs to see if these tests could predict which drug works best …

This study tested whether healthy volunteers with minimal training could collect their own blood using a finger prick during brief periods of weightlessness on parabolic flights. The goal was to see if the blood samples were good enough to measure caffeine levels. Thirty particip…