A member asked:

Why do some people get motion sickness and others don't?

2 doctors weighed in across 2 answers

Vestibular system: Some people have more sensitive vestibular system than others, amplifying perception of movement. Others have extremely weak vestibular system, making visual and vestibular perception of movement out of balance.

Answered 7/23/2017

6.4k views

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Dr. Harold Peltan answered

Specializes in Ophthalmology

Genes: Motion sickness often runs in families. A medical study of identical twins in india showed that both twins either got motion sickness or both twins did not get motion sickness 100% of the time. Some races, such as asians are also more prone to motion sickness. The evidence is strong, but the exact genes have not yet been isolated.

Answered 2/6/2019

4.9k views

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