Related by context. Frequent words. (Click for all words.) 50 motion sickness 48 roller coasters 45 vertigo 43 roller coaster 42 tinnitus 42 weightlessness 41 thrill ride 41 decompression sickness 41 migraines 40 fainting spells 40 sensations 40 whiplash 39 ear infections 39 sensory 39 vestibular 39 vibration 39 decompression 39 psychotic episodes 38 postural 38 thrill rides 38 Sleep apnea 38 thrill seekers 38 vibrations 38 sensory overload 37 hyperventilation 37 carpal tunnel syndrome 37 zero gravity 37 epileptic seizures 37 hallucinations 37 amusement park rides 37 physiological 37 amusement park 37 fainting 37 auditory 37 overexertion 37 musculoskeletal pain 36 arousal 36 haptic 36 Migraines 36 rollercoaster 36 muscle contractions 36 apnea 36 psychosomatic 36 neurological 36 torsion 36 Tinnitus 36 inner ear 36 neuromuscular 36 claustrophobia 36 oxygen deprivation 35 levitation 35 sweaty palms 35 multi sensory 35 lower extremity 35 hyperhidrosis 35 overload 35 obstructive sleep apnea 35 sinus infections 35 numbness 35 coaster 35 amusement parks 35 curvature 34 acid reflux 34 yips 34 backaches 34 biofeedback 34 sleep deprivation 34 embolism 34 nose bleeds 34 carpal tunnel 34 scoliosis 34 bungee jumping 34 hormonal 34 stomach aches 34 excessive sweating 34 involuntary movements 34 muscle atrophy 34 sleep disorders 34 adrenalin rush 34 disorientation 33 bungee 33 migraine headaches 33 trauma 33 white knuckle 33 narcolepsy 33 mood swings 33 electrical stimulation 33 paralysis 33 haptics 33 adrenaline junkies 33 drowsiness 33 simulator 33 syncope 33 deep vein thrombosis 33 white knuckled 33 overuse 33 concussions 33 seasickness 33 petting zoos 33 spinal injuries 33 weightless