The efficacy of wrist bands for motion sickness is still unclear. Some scientific research studies have investigated whether acupressure helps with nausea and vomiting. More research is needed to understand if using wrist bands for nausea is as effective as standard anti-nausea drugs.

Sea-Bands are elasticated wristbands that operate on the principle of acupressure, specifically targeting the P6 (Neiguan) point on the inner wrist. Proponents and many travelers swear by them as a drug-free way to combat nausea, and they are generally considered safe for all ages, including pregnant women. However, from a rigorous scientific perspective, the evidence is mixed and often contradictory. Some clinical studies suggest they may offer modest relief for post-operative nausea or pregnancy-related morning sickness, but their efficacy against "motion-induced" sickness (like being on a rocking ship) has not been conclusively proven in large-scale, double-blind trials. Many experts believe a strong placebo effect is at play; if a passenger expects the bands to work, they are significantly more likely to report feeling better. While they are a low-cost and harmless first line of defense, those prone to severe seasickness may still need to rely on pharmaceutical options like scopolamine or meclizine for reliable relief.