Cats With Their Tongues Out on Instagram: "From @vet_with_hivi: Feline Hyperesthesia Syndrome (FHS) is rare neurological and behavioral disorder where cats show episodes of extreme skin sensitivity, muscle twitching, and sudden behavioral changes. It’s sometimes called “rolling skin syndrome.” Causes (not fully understood): • Abnormal electrical activity in the brain (like a mild seizure disorder) • Stress or anxiety • Skin irritation or spinal pain • Compulsive behavior or OCD tendencies • In s

@memes.its.9 on Instagram: "The post features a 62-second video compilation of cats twitching and rippling under human touch or light taps, captioned as enjoying massages, garnering over 49,000 views and 6,900 likes since 7 January 2026. A prominent reply highlights Feline Hyperesthesia Syndrome (FHS), a poorly understood condition causing extreme skin sensitivity, with symptoms like back rippling and frantic reactions matching the footage, per PetMD and Cornell University veterinary notes. Whil

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