Providing supportive services, to eligible persons assisted under paragraphs (1) and (2), including health, mental health, assessment, permanent housing placement, drug and alcohol abuse treatment and counseling, day care, and nutritional services (except that health services under this paragraph may only be provided to individuals with acquired immunodeficiency syndrome or related diseases), and providing technical assistance to eligible persons to provide assistance in gaining access to benefits and services for homeless individuals provided by the Federal Government and State and local governments.