While struggling to find a doctor, Lynn stumbled upon the MdDS website. It gave her hope, relief, and answers. Today, she has a better understanding of her symptoms and her triggers. Telling her story 9 years after the boat charter that left her with “persistent motion sickness,” she wants you to know that you are not alone. And that there is hope!
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Learn About the Disorder
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Living with MdDS
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Professional Resources
Faces of MdDS

Cayman Charter Boat—>Motion Sickness Forever
While struggling to find a doctor, Lynn stumbled upon the MdDS website. It gave her hope, relief, and answers. Today, she has a better understanding of her symptoms and her triggers. Telling her story 9 years after the boat charter that left her with “persistent motion sickness,” she wants you to know that you are not alone. And that there is hope!
The Facts of MdDS
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It is typically triggered by motion: cars, trains, airplanes, ships, boats, and even fast elevators.
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The average person sees 20+ doctors before getting a diagnosis.
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Many people are suffering from MdDS and don’t know that they have it. They are undiagnosed.
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The scale of the problem is not matched by research dollars.
The MdDS phenomenon is the natural result of the human brain adapting to environmental motion and is thus the quintessential neurological disorder.
Yoon-Hee Cha, MD
The Latest from Our Blog
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Cayman Charter Boat—>Motion Sickness Forever
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The Ship Still Rocks
“My poem expresses both the disorientation and emotional toll of MdDS and the strength, resilience, and grace required to navigate it. I hope that it’s message echoes for others as well.” ~ Elizabeth