Noor v Home Office [2008] All ER (D) 63 (Dec) (EAT)
The effects of an illness or disability can have an increasingly adverse effect on an employee, but once a tribunal has determined that the impairment did not have a substantial adverse effect on an employee’s ability to carry out normal day-to-day activities, there would have to be an appreciable difference in the facts relating to the adverse effects to prevent issue estoppel applying in the future.