Corston reports that may women have been filed by the NHS and are too ill for prison, suggesting that prison is being used as a holding cell for those who the government have no proper provisions for. She also states that mental health services are failing to address the appropriate needs of women when they require help. Department of Public Health, university of oxford) conducted a study and found that women in prison are five times more likely to suffer a mental health illness with 78% of prisoners showing some level of psychological problems upon admittance to prison.