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A mum of two has been left permanently airsick after stepping off a plane eight years ago.

The only way Catharine Bell, 46, can avoid being dizzy and nauseous is to keep on the move.

She has incurable mal de debarquement syndrome, a travel-triggered neurological disorder.

Catharine was first hit as she landed in Turkey with her children.

She said: “It felt like I was walking on a giant marshmallow.

“It went away on the plane home, but it returned as we landed.”

Now caretaker Catharine, of Bellingham, Northumberland, cannot sit still for longer than an hour.

She added: “I walk the dog five times a day and find it hard to sleep.”

MdDS expert Megan Arroll said: “It disrupts lives and is a very under-researched condition.”