Mental health workers are leaving the sector. Who cares? HACSU Health & Community Services Union MENTAL HEALTH UNITED Authorised by Paul Healey, HACSU State Secretary, 7 Grattan St, Carlton VIC 3053. Spring St Mental health workers are leaving the sector . Who cares ? HACSU Health & Community Services Union MENTAL HEALTH UNITED Authorised by Paul Healey , HACSU State Secretary , 7 Grattan St , Carlton VIC 3053 . Spring St