In north Aymara and south Mapuche, where the indigenous groups have the strongest voices, they still heavily use traditional medicine. The government in Chile has implemented an Indigenous Health System to help strengthen the health care system. Even with Chile's indigenous groups, Chile still has the best public health services in South America. They also have the lowest mortality rates in the area. Their health care policies are centered around family and community wellbeing by focusing on the strategies for prevention health strategies. Reports have shown an increase in mental health issues, diabetes, and cardiovascular diseases.