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 ...
Why does my dog's breath smell *so* bad? I adopted her as a rescue dog three years ago, and she had this breath that smells a lot like broccoli cooking. It has gotten worse to where it's like she ate the dead. I took her to the vet who checked her mouth, teeth, pancreas, liver, and kidneys; as well as checking for diabetes and other metabolic... show more I adopted her as a rescue dog three years ago, and she had this breath that smells a lot like broccoli cooking.