As we grow older, most of us notice that we need the volume turned up a little on the television, or a brighter light when reading or a little extra sugar in our tea.
What gives us our ability to smell? What can take that ability away? Is age a factor? What are the consequences? And what can we do if we start to lose our sense of smell?
Each of our senses can be affected as we age. So what can we do to protect them?
Our fifth sense is touch – unlike the other senses, it is distributed all over the body.