I think there's a lot of confusion/ignorance with Type 1 and Type 2 and most people just lump them both under the same diabetes umbrella. Diet and exercise will never be enough for Type 1's since the disease is an autoimmune disorder where the pancreas is attacked to the point where it makes little or no insulin (thus the need for external insulin). Type 2, as I understand it, is a progressive disease where the cell's insulin receptors become nonreceptive. I think, in some cases, though, Type 2's can become Type 1's due to their pancreas being overworked to the point where they need insulin. And on the flip side, Type 1's can become Type 2's as a result of eating poorly and overusing insulin. But I wish each disease had it's own name to avoid confusion over how each one should be treated.