Justice Health, in addition to any other functions conferred on it by or under this or any other Act or law, has the following functions--
(a) to provide health services to offenders and other persons in custody within the meaning of section 249,
(b) to monitor the provision of health services in managed correctional centres,
(c) to prevent the spread of infectious diseases in, or in relation to, correctional centres,
(d) to keep medical records of offenders and other persons in custody within the meaning of section 249,
(e) to provide advice to the Commissioner on the diet, exercise, clothing, capacity to work and general hygiene of inmates.