0442541_CORRPocketBook11Add3.qxp 14.09.2005 13:47 Page 6 Prisoners should generally have the right to request a second medical opinion.39 Prisoners and all detained persons have the right to the highest attainable standard of physical and mental health.40 Prisoners should have free access to the health services available in the country.41 Decisions about a prisoner’s health should be taken only on medical grounds by medically qualified people.42 The medical officer has an important responsibility to ensure that proper health standards are met. He or she can do this by regularly inspecting and advising the director of the prison on the suitability of food, water, hygiene, cleanliness, sanitation, heating, lighting, ventilation, clothing, bedding and opportunities for exercise.43 Every prison should have proper health facilities and medical staff to provide for a range of health needs, including dental and psychiatric care. Sick prisoners who cannot be treated in the prison, such as prisoners with mental illness, should be transferred to a civilian hospital or to a specialized prison hospital.44 All prisoners shall have access to a qualified dental practitioner.45 6