Ménière's disease may be defined as the medical condition in which the inner ear suffers from vertigo. Vertigo is the dizziness in which the individual feels that he is spinning.
Motion sickness medcation is effective in the control of Ménière's disease and also reduces its symptoms. The anti nausea medication are also helpful in the symptoms reduction of Ménière's disease. No proper cure is available for the Ménière's disease.
I think it shows intelligence because your brain can see things others can't, meaning they may also be able to think outside the box, which can be a sign of intelligence.