Changes to the eye can be seen as a window that alerts us to diseases originating in other places in the body. (wagwalking.com)
An imaging method used to find anything not normal in the brain, including brain cancer and cancer that has spread to the brain from other places in the body. (childrensoncologygroup.org)
There are many blood vessels and nerves that run from the mouth to other parts of the body so infection in the mouth can contribute to problems other places in the body. (wellnessmama.com)