An aspiring teacher has put her dreams on hold after developing a rare disorder which causes her to faint up to 30 times a day.
Sarah Louhisalo, 22, has gone from being a fit and healthy young woman to requiring almost constant care from her partner and family.
She was suffering from repeated headaches when she suddenly blacked out at the wheel while driving in January this year.
Within days she was passing out between 15 and 30 times a day and suffering seizures which left her unable to walk or talk for hours or even days afterwards. Read more