More and more actual scientific studies are showing that what you eat has a lot less to do with the health of your heart than your genetics. You can make a stronger argument against type II diabetes but, there are some people like my 500 lbs M-I-L who just refuse to catch it even though they deserve it. Now, too much sugar in the blood will scar the lining in the blood vessels making it easier to clog the heart. But, type II diabetics don't need to be poor eaters or inactive to be diabetics. There's more and more discovery that it is actually a digestive disorder. When bypassing the duodenum and jejunum, diabetes as almost always cured. This is true whether done by surgery or just a plastic sleeve.