Diabetes affects our blood vessels and nerves and therefore can affect any part of the body. However, certain parts of our body are affected more than other parts.
I don't think dogwoods have (much?) scent, maybe just lightly floral. The white petally looking things are not actually petals they are bracts, like a poinsettia has. There's something called an English dogwood that is very fragrant, but it isn't a true dogwood and is also known as mock orange. Bradford pears have a smell that this author described as sweaty socks, so if your tree doesn't smell very good that's probably it: http://www.gardenguides.com/106133-dogw ...
Flowering dogwood (Cornus florida) is one of the best known harbingers of spring. The striking beauty of this easily recognized tree is the major reason it is one of the most commonly sold trees in Kentucky.lowering dogwood is considered a desirable woody ornamental for residential landscaping because its relatively small size keeps it from dwarfing the house or getting into power lines.