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 ...
The Dogwood blossom (Cornus florida L.) is the North Carolina State Flower. The other common names of Dogwood include American Dogwood and Flowering Dogwood. Dogwood is a native of North America and the south of northern New England, Minnesota, and Wyoming.Dogwood is one of the most popular ornamental trees appreciated for its beauty, and for its use as the background tree in landscaping.ogwood is a native of North America and the south of northern New England, Minnesota, and Wyoming. Dogwood is one of the most popular ornamental trees appreciated for its beauty, and for its use as the background tree in landscaping.