The main difference between physical and mental health is that our emotions, our ability to work and our relationships are the main things to be influenced by our mental health. When our mental health is positive we can cope with ups and downs. Our mood is stable and we feel optimistic.
People with type 1 diabetes don't produce insulin. You can think of it as not having a key. People with type 2 diabetes don't respond to insulin as well as they should and later in the disease often don't make enough insulin