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Learn more about the symptoms

The Faces of MdDS

Brandy’s Not-from-a-Cruise MdDS Story

My MdDS began in December 2012. I didn’t know what it was and kept getting misdiagnosed. My instinct was that it could have been brought on by playing for long periods of time on the Nintendo Wii with my kids. I knew that playing some of those games tricked my brain into thinking I was […]

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The Facts of MdDS

  • It is typically triggered by motion: cars, trains, airplanes, ships, boats, and even fast elevators.
  • The average person sees 20+ doctors before getting a diagnosis.
  • Many people are suffering from MdDS and don’t know that they have it. They are undiagnosed.
  • 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

  • MdDS Makes You Feel Like You’re Still on the Boat

    You’re standing in a small boat tied to a dock, waves moving you back and forth, up and down, and side to side. Now, imagine that you feel this way all the time, even without the boat. You can’t concentrate. Your head hurts. You’ve never felt so fatigued in your life. You don’t know what’s […]


  • How’d we do this Giving Tuesday?

    Thank you for having our backs and making a difference this year. GivingTuesday 2017 was the MdDS Foundation’s most successful one-day fundraiser ever with help from Facebook and the Gates Foundation. Due to the tremendous engagement and enthusiasm by the nonprofit community, the $2 million match limit was reached early and a total of $45 […]


  • #MakeADifferenceDay, Honor Donations

    It’s Make A Difference Day, the perfect day to honor someone you love with a Tribute gift. Tribute gifts are a meaningful way to honor a special person or life event and also support those with MdDS. We thank the following for their gifts in honor of someone special. Honor Donations Welcome to this bright […]